diff --git a/lib/elixir/lib/config.ex b/lib/elixir/lib/config.ex
index 6f070d6df51..078d51a1116 100644
--- a/lib/elixir/lib/config.ex
+++ b/lib/elixir/lib/config.ex
@@ -80,7 +80,7 @@ defmodule Config do
         ...
       end
 
-  The only files where you may acccess functions from the `Mix` module are
+  The only files where you may access functions from the `Mix` module are
   the `mix.exs` file and inside custom Mix tasks, which always within the
   `Mix.Tasks` namespace.
 
diff --git a/lib/elixir/lib/float.ex b/lib/elixir/lib/float.ex
index 32112088a68..d5d30e47320 100644
--- a/lib/elixir/lib/float.ex
+++ b/lib/elixir/lib/float.ex
@@ -15,7 +15,7 @@ defmodule Float do
   ## Known issues
 
   There are some very well known problems with floating-point numbers
-  and arithmetics due to the fact most decimal fractions cannot be
+  and arithmetic due to the fact most decimal fractions cannot be
   represented by a floating-point binary and most operations are not exact,
   but operate on approximations. Those issues are not specific
   to Elixir, they are a property of floating point representation itself.
diff --git a/lib/elixir/lib/kernel.ex b/lib/elixir/lib/kernel.ex
index b1eaadda6dd..59f451c5030 100644
--- a/lib/elixir/lib/kernel.ex
+++ b/lib/elixir/lib/kernel.ex
@@ -2589,7 +2589,7 @@ defmodule Kernel do
       [27, 23]
 
   In case any of the components returns `nil`, `nil` will be returned
-  and `get_in/2` won't traverse any futher:
+  and `get_in/2` won't traverse any further:
 
       iex> users = %{"john" => %{age: 27}, "meg" => %{age: 23}}
       iex> get_in(users, ["unknown", :age])
diff --git a/lib/elixir/lib/task.ex b/lib/elixir/lib/task.ex
index 04868e0ce73..ed202b4653c 100644
--- a/lib/elixir/lib/task.ex
+++ b/lib/elixir/lib/task.ex
@@ -96,7 +96,7 @@ defmodule Task do
       the caller won't fail. You will receive the error reason either on
       `yield` or `shutdown`.
 
-  Furthemore, the supervisor guarantee all tasks first terminate, within a
+  Furthermore, the supervisor guarantee all tasks first terminate, within a
   configurable shutdown period, when your application shuts down. See the
   `Task.Supervisor` module for details on the supported operations.
 
diff --git a/lib/elixir/test/elixir/kernel/errors_test.exs b/lib/elixir/test/elixir/kernel/errors_test.exs
index dd46f3d9ad9..c964649f41a 100644
--- a/lib/elixir/test/elixir/kernel/errors_test.exs
+++ b/lib/elixir/test/elixir/kernel/errors_test.exs
@@ -398,7 +398,7 @@ defmodule Kernel.ErrorsTest do
     assert_eval_raise CompileError, "nofile:1: unquote called outside quote", 'unquote 1'
   end
 
-  test "invalid unquote splicing in oneliners" do
+  test "invalid unquote splicing in one-liners" do
     assert_eval_raise ArgumentError,
                       "unquote_splicing only works inside arguments and block contexts, " <>
                         "wrap it in parens if you want it to work with one-liners",
diff --git a/lib/elixir/test/elixir/kernel/warning_test.exs b/lib/elixir/test/elixir/kernel/warning_test.exs
index 628d1ce20ab..baf0974cb0f 100644
--- a/lib/elixir/test/elixir/kernel/warning_test.exs
+++ b/lib/elixir/test/elixir/kernel/warning_test.exs
@@ -74,7 +74,7 @@ defmodule Kernel.WarningTest do
                \\u005F _
              """
 
-      # a is in cyrllic
+      # a is in cyrillic
       assert_raise SyntaxError, ~r/mixed/, fn -> Code.string_to_quoted!("[аdmin: 1]") end
       assert_raise SyntaxError, ~r/mixed/, fn -> Code.string_to_quoted!("[{:аdmin, 1}]") end
       assert_raise SyntaxError, ~r/mixed/, fn -> Code.string_to_quoted!("quote do: аdmin(1)") end
diff --git a/lib/elixir/test/elixir/module/types/pattern_test.exs b/lib/elixir/test/elixir/module/types/pattern_test.exs
index b499756e5c0..c8bb56d2d9d 100644
--- a/lib/elixir/test/elixir/module/types/pattern_test.exs
+++ b/lib/elixir/test/elixir/module/types/pattern_test.exs
@@ -355,13 +355,13 @@ defmodule Module.Types.PatternTest do
              ) == {:ok, [{:map, [{:optional, :dynamic, :dynamic}]}]}
     end
 
-    test "interesection functions" do
+    test "intersection functions" do
       assert quoted_head([x], [+x]) == {:ok, [{:union, [:integer, :float]}]}
       assert quoted_head([x], [x + 1]) == {:ok, [{:union, [:float, :integer]}]}
       assert quoted_head([x], [x + 1.0]) == {:ok, [{:union, [:integer, :float]}]}
     end
 
-    test "nested calls with interesections in guards" do
+    test "nested calls with intersections in guards" do
       assert quoted_head([x], [:erlang.rem(x, 2)]) == {:ok, [:integer]}
       assert quoted_head([x], [:erlang.rem(x + x, 2)]) == {:ok, [:integer]}
 
diff --git a/lib/iex/lib/iex/helpers.ex b/lib/iex/lib/iex/helpers.ex
index 1a1ebf325a7..c11278e38c9 100644
--- a/lib/iex/lib/iex/helpers.ex
+++ b/lib/iex/lib/iex/helpers.ex
@@ -106,7 +106,7 @@ defmodule IEx.Helpers do
 
       {result, _} = Mix.Task.run("compile", arguments)
 
-      # Reenable consolidation and allow them to be loaded.
+      # Re-enable consolidation and allow them to be loaded.
       Code.prepend_path(consolidation)
       purge_protocols(consolidation)
 
diff --git a/lib/mix/lib/mix/task.ex b/lib/mix/lib/mix/task.ex
index 188ba4654cc..e76314f5ed7 100644
--- a/lib/mix/lib/mix/task.ex
+++ b/lib/mix/lib/mix/task.ex
@@ -524,10 +524,10 @@ defmodule Mix.Task do
   @doc """
   Reenables a given task so it can be executed again down the stack.
 
-  Both alias and the regular stack are reenabled when this function
+  Both alias and the regular stack are re-enabled when this function
   is called.
 
-  If an umbrella project reenables a task, it is reenabled for all
+  If an umbrella project reenables a task, it is re-enabled for all
   child projects.
   """
   @spec reenable(task_name) :: :ok
diff --git a/lib/mix/lib/mix/tasks/cmd.ex b/lib/mix/lib/mix/tasks/cmd.ex
index 8581ba692f8..7426bb29865 100644
--- a/lib/mix/lib/mix/tasks/cmd.ex
+++ b/lib/mix/lib/mix/tasks/cmd.ex
@@ -28,7 +28,7 @@ defmodule Mix.Tasks.Cmd do
 
   The tasks aborts whenenever a command exits with a non-zero status.
 
-  This task is automatically reenabled, so it can be called multiple times
+  This task is automatically re-enabled, so it can be called multiple times
   with different arguments.
 
   ## Command line options
diff --git a/lib/mix/lib/mix/tasks/deps.compile.ex b/lib/mix/lib/mix/tasks/deps.compile.ex
index 296c2aa4466..4b3436c5203 100644
--- a/lib/mix/lib/mix/tasks/deps.compile.ex
+++ b/lib/mix/lib/mix/tasks/deps.compile.ex
@@ -196,7 +196,7 @@ defmodule Mix.Tasks.Deps.Compile do
     #
     # TODO: We still symlink ebin/ by default for backwards compatibility.
     # This partially negates the effects of REBAR_BARE_COMPILER_OUTPUT_DIR
-    # if an ebin diretory exists, so we should consider disabling it in future
+    # if an ebin directory exists, so we should consider disabling it in future
     # releases when rebar3 v3.14+ is reasonably adopted.
     config = Keyword.put(config, :app_path, build_path)
     Mix.Project.build_structure(config, symlink_ebin: true, source: dep_path)
diff --git a/lib/mix/lib/mix/tasks/loadconfig.ex b/lib/mix/lib/mix/tasks/loadconfig.ex
index f2020180ecc..3c64bf63b6b 100644
--- a/lib/mix/lib/mix/tasks/loadconfig.ex
+++ b/lib/mix/lib/mix/tasks/loadconfig.ex
@@ -17,7 +17,7 @@ defmodule Mix.Tasks.Loadconfig do
   application. Therefore there is no need to load those config
   files directly.
 
-  This task is automatically reenabled, so it can be called
+  This task is automatically re-enabled, so it can be called
   multiple times to load different configs.
   """
 
diff --git a/lib/mix/lib/mix/tasks/profile.cprof.ex b/lib/mix/lib/mix/tasks/profile.cprof.ex
index 6ecfbb2e739..b04eae85d56 100644
--- a/lib/mix/lib/mix/tasks/profile.cprof.ex
+++ b/lib/mix/lib/mix/tasks/profile.cprof.ex
@@ -21,7 +21,7 @@ defmodule Mix.Tasks.Profile.Cprof do
       mix profile.cprof -e "[1, 2, 3] |> Enum.reverse |> Enum.map(&Integer.to_string/1)"
       mix profile.cprof my_script.exs arg1 arg2 arg3
 
-  This task is automatically reenabled, so you can profile multiple times
+  This task is automatically re-enabled, so you can profile multiple times
   in the same Mix invocation.
 
   ## Command line options
diff --git a/lib/mix/lib/mix/tasks/profile.eprof.ex b/lib/mix/lib/mix/tasks/profile.eprof.ex
index 52cb33432c6..31ec9475f2c 100644
--- a/lib/mix/lib/mix/tasks/profile.eprof.ex
+++ b/lib/mix/lib/mix/tasks/profile.eprof.ex
@@ -21,7 +21,7 @@ defmodule Mix.Tasks.Profile.Eprof do
       mix profile.eprof -e "[1, 2, 3] |> Enum.reverse |> Enum.map(&Integer.to_string/1)"
       mix profile.eprof my_script.exs arg1 arg2 arg3
 
-  This task is automatically reenabled, so you can profile multiple times
+  This task is automatically re-enabled, so you can profile multiple times
   in the same Mix invocation.
 
   ## Command line options
diff --git a/lib/mix/lib/mix/tasks/profile.fprof.ex b/lib/mix/lib/mix/tasks/profile.fprof.ex
index caf4550dad9..38dd32531b3 100644
--- a/lib/mix/lib/mix/tasks/profile.fprof.ex
+++ b/lib/mix/lib/mix/tasks/profile.fprof.ex
@@ -19,7 +19,7 @@ defmodule Mix.Tasks.Profile.Fprof do
       mix profile.fprof -e Hello.world
       mix profile.fprof my_script.exs arg1 arg2 arg3
 
-  This task is automatically reenabled, so you can profile multiple times
+  This task is automatically re-enabled, so you can profile multiple times
   in the same Mix invocation.
 
   ## Command line options
diff --git a/lib/mix/lib/mix/tasks/run.ex b/lib/mix/lib/mix/tasks/run.ex
index da27592352d..3d951a5b3a0 100644
--- a/lib/mix/lib/mix/tasks/run.ex
+++ b/lib/mix/lib/mix/tasks/run.ex
@@ -40,7 +40,7 @@ defmodule Mix.Tasks.Run do
 
       elixir --sname hello -S mix run --no-halt
 
-  This task is automatically reenabled, so it can be called multiple times
+  This task is automatically re-enabled, so it can be called multiple times
   with different arguments.
 
   ## Command-line options
diff --git a/lib/mix/lib/mix/tasks/xref.ex b/lib/mix/lib/mix/tasks/xref.ex
index d0d91319f2e..1fd82ffbec7 100644
--- a/lib/mix/lib/mix/tasks/xref.ex
+++ b/lib/mix/lib/mix/tasks/xref.ex
@@ -17,7 +17,7 @@ defmodule Mix.Tasks.Xref do
 
   All available modes are discussed below.
 
-  This task is automatically reenabled, so you can print
+  This task is automatically re-enabled, so you can print
   information multiple times in the same Mix invocation.
 
   ## mix xref callers MODULE