Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek θηλή
Proto-Indo-European *dʰeh₁(y)- (root)
Proto-Indo-European *dʰeh₁(y)- (derived)

English epithelium (mention)
English thelion (derived)
English thelium (derived)
English thelitis (derived)
Greek θηλή (inherited)
Ancient Greek θεῖος (mention)
Ancient Greek τίτθη (mention)
Ancient Greek τιθήνη (mention)
Ancient Greek τιτθός (mention)
Latin fello (cognate)
Dutch epitheel (mention)
Dutch endotheel (mention)
Sanskrit धयति (cognate)
Old Armenian դալ (cognate)