Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
coll
→
Welsh
colli
(affix)
→
Welsh
colled
(suffix)
→
Welsh
collen
(affix)
→
Welsh
collnod
(affix)
→
Welsh
sillgoll
(compound)
→
Irish
caill
(cognate)