Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
stiúir
←
Proto-Germanic
*stiuriją
(derived)
←
Middle Irish
stiúir
(inherited)
←
Old Norse
stýri
(derived)
→
Irish
stiúrthóir
(affix)