Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *aḱ-

→ Italian gazza (derived)
→ Latvian akmens (mention)
→ Latvian aste (mention)
→ Latvian asmens (mention)
→ Latvian astoņi (mention)
→ Latvian asaris (mention)
→ Portuguese acetileno (derived)
→ Portuguese cetona (mention)