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