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