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