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