Check plural of words ending with '-n' '-s' and '-z'

[b606]

https://rioandlearn.com/plural-in-portuguese/

• Ending with '-r' and '-z', and '-n' get "-es"
• Two rules for '-s' :
  • a) add "-es" or
  • b) invariant, has an accent in the first syllable (ex. oásis, lápis, bônus, atlas, vírus, ônibus)

https://www.languagetutorial.org/learn-portuguese/free-portuguese-lessons.html#makingnounsplural
'-s' The plural stays the exact same as the singular. ???

https://ielanguages.com/portuguese-plural-nouns.html
Words that end in -s or -z : have no plural form, so the singular and plural are the same. ???
ex óculos, arroz, ônibus

https://blogs.transparent.com/portuguese/how-to-make-nouns-plural-in-portuguese/
https://www.easyportuguese.com/learn-portuguese-grammar/plural.html says they should get "-es" (ending with '-r' and '-s' and '-z', (nothing about '-n')

https://forum.duolingo.com/comment/25352830/Plural-nouns-in-Portuguese
Words ending in '-n' get an '-s' instead of '-es' ???

Code to modify:

RimWorld-LanguageWorker_Portuguese/RimWorld_LanguageWorker_Portuguese/LanguageWorker_Portuguese.cs

Lines 645 to 648 in f0b7e25

	if (last == 'n' || last == 'r' || last == 'N' || last == 'R')
	{
	str_pluralized = str + "es";
	}

RimWorld-LanguageWorker_Portuguese/RimWorld_LanguageWorker_Portuguese/LanguageWorker_Portuguese.cs

Lines 675 to 679 in f0b7e25

	if ("zsZS".IndexOf(last) >= 0 )
	{
	// TODO: Invariant
	str_pluralized = str;
	}