Noun change

Singular
counterfeit

Plural
counterfeits

  1. The plural form of counterfeit; more than one (kind of) counterfeit.

Verb change

Plain form
counterfeit

Third-person singular
counterfeits

Past tense
counterfeited

Past participle
counterfeited

Present participle
counterfeiting

  1. The third-person singular form of counterfeit.