Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
callán
←
English
call
(borrowed)
←
Irish
-án
(affix)
←
Scottish Gaelic
callan
(cognate)
→
Irish
callánach
(affix)