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