This noun follows the standard English plural rule: simply add -s to the singular form.
Harmonise is regular. It follows the Standard -s rule.
Use plural verbs: "The harmonises are ready" (not "is ready").
Yes. The plural harmonises is standard across all English variants.
The word harmonise follows the standard English pluralization rule. When forming the plural, harmonise becomes harmonises. This follows the Standard -s pattern, which is one of the most common plural rules in English.
Understanding why harmonise becomes harmonises helps with spelling and pronunciation. This noun follows the standard English plural rule: simply add -s to the singular form.
When using harmonises in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The harmonises are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.