Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
leas
←
Old Irish
less
(inherited)
→
Welsh
lles
(cognate)
→
Irish
leasmhac
(prefix)
→
Irish
féinleas
(affix)
→
Irish
leasaigh
(suffix)
→
Irish
leasmhar
(suffix)