Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
péist
←
Latin
bēstia
(derived)
←
Middle Irish
péist
(inherited)
←
Old Irish
píast
(inherited)
→
Irish
péistchruthach
(affix)