diff --git a/exercises/practice/anagram/.meta/config.json b/exercises/practice/anagram/.meta/config.json
index 86ac6e0dce..42cb3ee2a3 100644
--- a/exercises/practice/anagram/.meta/config.json
+++ b/exercises/practice/anagram/.meta/config.json
@@ -8,6 +8,7 @@
     "draalger",
     "gabriel376",
     "gargrave",
+    "jagdish-15",
     "kytrinyx",
     "matthewmorgan",
     "ovidiu141",
diff --git a/exercises/practice/anagram/.meta/tests.toml b/exercises/practice/anagram/.meta/tests.toml
index 6c507d257f..4d90562705 100644
--- a/exercises/practice/anagram/.meta/tests.toml
+++ b/exercises/practice/anagram/.meta/tests.toml
@@ -46,12 +46,41 @@ description = "detects anagrams using case-insensitive possible matches"
 
 [7cc195ad-e3c7-44ee-9fd2-d3c344806a2c]
 description = "does not detect an anagram if the original word is repeated"
+include = false
+
+[630abb71-a94e-4715-8395-179ec1df9f91]
+description = "does not detect an anagram if the original word is repeated"
+reimplements = "7cc195ad-e3c7-44ee-9fd2-d3c344806a2c"
 
 [9878a1c9-d6ea-4235-ae51-3ea2befd6842]
 description = "anagrams must use all letters exactly once"
 
 [85757361-4535-45fd-ac0e-3810d40debc1]
 description = "words are not anagrams of themselves (case-insensitive)"
+include = false
+
+[68934ed0-010b-4ef9-857a-20c9012d1ebf]
+description = "words are not anagrams of themselves"
+reimplements = "85757361-4535-45fd-ac0e-3810d40debc1"
+
+[589384f3-4c8a-4e7d-9edc-51c3e5f0c90e]
+description = "words are not anagrams of themselves even if letter case is partially different"
+reimplements = "85757361-4535-45fd-ac0e-3810d40debc1"
+
+[ba53e423-7e02-41ee-9ae2-71f91e6d18e6]
+description = "words are not anagrams of themselves even if letter case is completely different"
+reimplements = "85757361-4535-45fd-ac0e-3810d40debc1"
 
 [a0705568-628c-4b55-9798-82e4acde51ca]
 description = "words other than themselves can be anagrams"
+include = false
+
+[33d3f67e-fbb9-49d3-a90e-0beb00861da7]
+description = "words other than themselves can be anagrams"
+reimplements = "a0705568-628c-4b55-9798-82e4acde51ca"
+
+[a6854f66-eec1-4afd-a137-62ef2870c051]
+description = "handles case of greek letters"
+
+[fd3509e5-e3ba-409d-ac3d-a9ac84d13296]
+description = "different characters may have the same bytes"
diff --git a/exercises/practice/anagram/anagram.spec.js b/exercises/practice/anagram/anagram.spec.js
index c6dfe5385c..dc011aea9e 100644
--- a/exercises/practice/anagram/anagram.spec.js
+++ b/exercises/practice/anagram/anagram.spec.js
@@ -96,7 +96,7 @@ describe('Anagram', () => {
 
   xtest('does not detect an anagram if the original word is repeated', () => {
     const expected = [];
-    const actual = findAnagrams('go', ['go Go GO']);
+    const actual = findAnagrams('go', ['goGoGO']);
     expect(areSetsEqual(new Set(expected), new Set(actual))).toEqual(true);
   });
 
@@ -106,15 +106,39 @@ describe('Anagram', () => {
     expect(areSetsEqual(new Set(expected), new Set(actual))).toEqual(true);
   });
 
-  xtest('words are not anagrams of themselves (case-insensitive)', () => {
+  xtest('words are not anagrams of themselves', () => {
     const expected = [];
-    const actual = findAnagrams('BANANA', ['BANANA', 'Banana', 'banana']);
+    const actual = findAnagrams('BANANA', ['BANANA']);
+    expect(areSetsEqual(new Set(expected), new Set(actual))).toEqual(true);
+  });
+
+  xtest('words are not anagrams of themselves even if letter case is partially different', () => {
+    const expected = [];
+    const actual = findAnagrams('BANANA', ['Banana']);
+    expect(areSetsEqual(new Set(expected), new Set(actual))).toEqual(true);
+  });
+
+  xtest('words are not anagrams of themselves even if letter case is completely different', () => {
+    const expected = [];
+    const actual = findAnagrams('BANANA', ['banana']);
     expect(areSetsEqual(new Set(expected), new Set(actual))).toEqual(true);
   });
 
   xtest('words other than themselves can be anagrams', () => {
     const expected = ['Silent'];
-    const actual = findAnagrams('LISTEN', ['Listen', 'Silent', 'LISTEN']);
+    const actual = findAnagrams('LISTEN', ['LISTEN', 'Silent']);
+    expect(areSetsEqual(new Set(expected), new Set(actual))).toEqual(true);
+  });
+
+  xtest('handles case of greek letters', () => {
+    const expected = ['ΒΓΑ', 'γβα'];
+    const actual = findAnagrams('ΑΒΓ', ['ΒΓΑ', 'ΒΓΔ', 'γβα', 'αβγ']);
+    expect(areSetsEqual(new Set(expected), new Set(actual))).toEqual(true);
+  });
+
+  xtest('different characters may have the same bytes', () => {
+    const expected = [];
+    const actual = findAnagrams('a⬂', ['€a']);
     expect(areSetsEqual(new Set(expected), new Set(actual))).toEqual(true);
   });
 });