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