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 ἕλκος
Proto-Indo-European *h₁élḱos (inherited)
Proto-Indo-European *h₁elḱ- (mention)
Latin ulcus (cognate)
Sanskrit अर्शस् (cognate)

English ill (cognate)
Greek έλκος (inherited)
Ancient Greek ἕλκω (mention)
Latin ulcus (cognate)
Sanskrit अर्शस् (cognate)