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