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