Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Estonian ei
← Finnish ei (cognate)
← Northern Sami ii (cognate)
← Proto-Uralic *e- (mention)
← Proto-Uralic *ä- (mention)
← Proto-Uralic *a- (mention)

→ Estonian eitama (affix)
→ Finnish ei (cognate)
→ Ingrian ei (cognate)
→ Northern Sami ii (cognate)