Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Russian -я́к

Russian светляк (suffix)
Russian земляк (suffix)
Russian холостяк (affix)
Russian пермяк (affix)
Russian остряк (affix)
Russian добряк (affix)
Russian здоровяк (affix)
Russian пошляк (affix)
Russian -няк (mention)