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