Also called plural domains · singular vs. plural
Plural vs. singular domains, explained
The singular form is usually worth more, because it is the default way people name a product or company and it is one letter shorter. The exceptions are categories people naturally say in the plural, such as marketplaces, directories and listing sites, where the plural reads as the category itself. Reported sales of both forms of similar words are the best guide.
Check who owns the other form. If an active company uses the singular, the plural will catch its misdirected traffic and email, invite trademark complaints, and sell mainly to that company, which may treat any approach as a shakedown. The radio test matters here: a plural is hard to tell apart from the singular when spoken, a weakness for brands that rely on word of mouth or voice assistants. The common mistake is assuming the plural of a valuable word carries most of its value.
Example. Before pricing a plural .com, an investor compares reported sales of singular and plural versions of similar words and checks who owns the singular.
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