Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
colled
←
Welsh
coll
(suffix)
←
Welsh
-ed
(suffix)
←
Latin
clādēs
(cognate)
←
Old Irish
coll
(cognate)