Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Portuguese inter-
← Latin inter- (borrowed)
← Portuguese entre- (doublet)

→ Portuguese interpolar (affix)
→ Portuguese entre- (doublet)
→ Portuguese interestelar (affix)
→ Portuguese intercâmbio (affix)
→ Portuguese interplanetário (affix)
→ Portuguese intergaláctico (affix)
→ Portuguese interuniversitário (affix)