Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Yiddish קויפֿן
Proto-Germanic *kaupōną (inherited)
Proto-Germanic *kaupô (mention)
Middle High German koufen (inherited)
Proto-West Germanic *kaupōn (inherited)
Old High German koufōn (inherited)
Old High German koufo (mention)
Latin caupō (derived)

Yiddish פֿאַרקויף (prefix)
Yiddish פֿאַרקויפֿן (prefix)
Yiddish אײַנקויפֿן (affix)