Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Greenlandic
atuarpoq
←
Proto-Eskimo
*atV-
(derived)
←
Proto-Inuit
*atuaʁ-
(inherited)
→
Greenlandic
atuarfik
(affix)
→
Greenlandic
atuagaq
(affix)
→
Greenlandic
atuaqat
(affix)
→
Greenlandic
atuaaneq
(affix)