Nouns ending in -s, -x, -z, -ch, or -sh add -es to form the plural. This makes the word easier to pronounce.
Obsess is regular. It follows the -es Addition rule.
Use plural verbs: "The obsesses are ready" (not "is ready").
Yes. The plural obsesses is standard across all English variants.
The word obsess follows the standard English pluralization rule. When forming the plural, obsess becomes obsesses. This follows the -es Addition pattern, which is one of the most common plural rules in English.
Understanding why obsess becomes obsesses helps with spelling and pronunciation. Nouns ending in -s, -x, -z, -ch, or -sh add -es to form the plural. This makes the word easier to pronounce.
When using obsesses in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The obsesses are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.