Nouns ending in -f or -fe typically change to -ves in the plural form.
Mothproof is regular. It follows the -ves Conversion rule.
Use plural verbs: "The mothprooves are ready" (not "is ready").
Yes. The plural mothprooves is standard across all English variants.
The word mothproof follows the standard English pluralization rule. When forming the plural, mothproof becomes mothprooves. This follows the -ves Conversion pattern, which is one of the most common plural rules in English.
Understanding why mothproof becomes mothprooves helps with spelling and pronunciation. Nouns ending in -f or -fe typically change to -ves in the plural form.
When using mothprooves in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The mothprooves are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.