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