Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
fachtóir
←
Latin
factor
(derived)
→
Irish
fachtóireacht
(affix)
→
Irish
fachtóirigh
(affix)
→
Manx
faghteyr
(cognate)