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