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