Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English millstone
Old English mylenstān (inherited)
Danish møllesten (cognate)
German Mühlstein (cognate)
Middle Dutch molensteen (cognate)
English mill (affix)
English stone (affix)
Middle English mylnston (inherited)
Middle English milneston (mention)
West Frisian molestien (cognate)
Proto-Germanic *malaną (derived)
Proto-Germanic *muljaną (mention)
Proto-Germanic *stainaz (derived)
Middle High German mülstein (cognate)
Middle Low German mȫlenstēn (cognate)
Old High German mulinstein (cognate)
Old High German mülstein (mention)
Proto-Indo-European *melh₂- (root)
Proto-Indo-European *melh₂- (derived)
Proto-Indo-European *mel- (mention)
Proto-Indo-European *steyh₂- (derived)
Norwegian Bokmål møllestein (cognate)
Dutch molensteen (cognate)
Old Saxon mulinstēn (cognate)

English mill (cognate)
English mill (back-formation)
Portuguese (link)