Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English feign
English feint (mention)
English fiction (mention)
Middle English feynen (inherited)
Middle English feinen (mention)
French feignant (cognate)
French feindre (mention)
Old French feindre (derived)
Proto-Indo-European *dʰeyǵʰ- (root)
Latin fingere (derived)

English figment (mention)
English fainaigue (mention)
English feigneth (suffix)
English feignest (suffix)
English feigner (suffix)
English feignful (suffix)
English feignable (suffix)