Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
Loghlin
←
Manx
logh
(affix)
←
Manx
-lan
(affix)
←
Old Irish
Lochlann
(inherited)