Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
clóen
→
Scottish Gaelic
claon
(derived)
→
Scottish Gaelic
cleayn
(derived(gd/gv))
→
Old Irish
cloíne
(affix)