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