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