Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Basque
eraman
←
Basque
ra-
(mention)
←
Basque
joan
(mention)
←
Proto-Basque
*eraban
(inherited)
←
Proto-Basque
*eraoan
(mention)
←
Proto-Basque
*-oa-
(mention)