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