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

→ Latvian ala (mention)
→ Latvian alnis (mention)
→ Latvian alksnis (mention)
→ Old Armenian ողբ (mention)
→ Old Armenian աղաչեմ (mention)
→ Old Armenian աղատեմ (mention)