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