Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Romanian lega
Proto-Indo-European *leyǵ- (derived)
Latin ligāre (inherited)
Latin ligō (mention)

Romanian legare (suffix)
Romanian legătură (suffix)
Romanian legat (mention)
Romanian alega (link)
Romanian legământ (suffix)
Romanian dezlega (prefix)
Romanian gâtlegău (affix)
Aromanian leg (cognate)