Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English dowf
Old English dēaf (cognate)
English dof (doublet)
English dove (link)
English deaf (link)
Middle English (inherited)
Proto-Germanic *daubaz (derived)
Proto-Indo-European *dʰūbʰ- (derived)
Proto-Indo-European *dʰūp- (mention)
Icelandic daufur (cognate)
Old Norse daufr (derived)

English daff (doublet)
English dof (doublet)
English dowfness (suffix)
Dutch dof (cognate)