Nouns ending in -s, -x, -z, -ch, or -sh add -es to form the plural. This makes the word easier to pronounce.
Laryngitis is regular. It follows the -es Addition rule.
Use plural verbs: "The laryngitises are ready" (not "is ready").
Yes. The plural laryngitises is standard across all English variants.
The word laryngitis follows the standard English pluralization rule. When forming the plural, laryngitis becomes laryngitises. This follows the -es Addition pattern, which is one of the most common plural rules in English.
Understanding why laryngitis becomes laryngitises helps with spelling and pronunciation. Nouns ending in -s, -x, -z, -ch, or -sh add -es to form the plural. This makes the word easier to pronounce.
When using laryngitises in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The laryngitises are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.