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