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