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