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