Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English chum
Welsh cymrawd (derived)
Welsh brawd (mention)
English cham (mention)
English chambermate (mention)
English comrade (mention)
English chummery (link)
English chumming (link)
English chummy (link)
English chumocracy (link)

English butty (link)
English new chum (mention)
English chumbucket (compound)
English chummy (suffix)
English chummery (suffix)
English chumship (suffix)
English chumocracy (suffix)
English Spec-chum (blend)
English chummo (suffix)
English chummage (suffix)
English chumbox (compound)
English chummer (suffix)
English chumsicle (affix)
English choom (mention)
French chum (borrowed)
Latvian čoms (mention)