Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English aver
Old English eafor (inherited)
English swear (link)
English averrable (link)
English averred (link)
English averrer (link)
English averment (link)
Middle English averren (inherited)
Middle English aver (inherited)
Middle English avere (mention)
French avérer (cognate)
French avoir (cognate)
Old French averer (derived)
Old French aver (derived)
Old French aveir (mention)
Old French avoir (mention)
Old French aveir (mention)
Old French avoir (mention)
Proto-Indo-European *weh₁- (root)
Proto-Indo-European *weh₁- (derived)
Proto-Indo-European *gʰeh₁bʰ- (root)
Proto-Indo-European *gʰeh₁bʰ- (derived)
Proto-Indo-European *gʰeh₁bʰ- (derived(en/enm))
Latin ad- (derived)
Latin vērus (mention)
Latin (mention)
Latin habēre (derived)
Latin habeō (mention)

English averral (suffix)
English havior (cognate)
English averrable (suffix)
English averrer (suffix)
Middle French average (mention)