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