Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Estonian abi
← Proto-Finnic *api (inherited)

→ Estonian abil (mention)
→ Estonian aitama (mention)
→ Estonian esmaabi (affix)
→ Estonian abielu (compound)
→ Estonian abikaasa (compound)
→ Estonian kaasabi (affix)
→ Ingrian api (cognate)