Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Romanian arc
← Proto-Indo-European *h₂erkʷo- (derived)
← Latin arcus (inherited)

→ Romanian arcui (suffix)
→ Romanian arcaș (suffix)
→ Romanian arcar (affix)
→ Romanian arcuș (suffix)
→ Romanian arculeț (suffix)
→ Romanian Arcu (mention)
→ Aromanian arcu (cognate)