Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *bu-

English big (mention)
English bug (mention)
English pick (mention)
English bud (mention)
English pout (derived)
German piekfein (mention)
Middle English bigge (mention)
Middle English bugge (mention)
French poche (mention)
French piquer (mention)
French bouder (mention)
Old French puche (mention)
Irish póca (mention)
Scottish Gaelic put (derived)
Italian piccolo (mention)
Ladin pitl (mention)
Latvian buča (derived)