Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old English þæcele
Proto-Germanic *þakiljǭ (inherited)
Proto-Germanic *þakjaną (derived)
Proto-Germanic *þak- (mention)
Old High German dahhezzen (cognate)
Old High German dachezzen (mention)

Tocharian B cok (cognate)