Nouns ending in -a (often Latin or scientific) add -e to form the plural.
Trachoma is regular. It follows the -ae Addition rule.
Use plural verbs: "The trachomae are ready" (not "is ready").
Yes. The plural trachomae is standard across all English variants.
The word trachoma follows the standard English pluralization rule. When forming the plural, trachoma becomes trachomae. This follows the -ae Addition pattern, which is one of the most common plural rules in English.
Understanding why trachoma becomes trachomae helps with spelling and pronunciation. Nouns ending in -a (often Latin or scientific) add -e to form the plural.
When using trachomae in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The trachomae are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.