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