Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English droop
Middle English droupen (inherited)
Proto-Germanic *drūpaną (derived)
Proto-Germanic *drupōną (mention)
Proto-Indo-European *dʰrewb- (derived)
Old Norse drúpa (derived)

English drooping (affix)
English droopy (suffix)
English droopeth (suffix)
English droopest (suffix)
English drooper (suffix)
English adroop (prefix)
English droopage (affix)
English droop snoot (affix)