Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
cleas
←
Old Irish
cles
(inherited)
→
Scottish Gaelic
cleasaiche
(suffix)
→
Scottish Gaelic
cleasachd
(suffix)
→
Scottish Gaelic
cleasaich
(suffix)