Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
uabhas
←
Irish
uafás
(cognate)
←
Middle Irish
úathbás
(inherited)
→
Scottish Gaelic
uabhasach
(affix)