Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
llysenw
←
Welsh
llys
(prefix)
←
Welsh
enw
(prefix)
←
Irish
leasainm
(cognate)
→
Irish
leasainm
(cognate)