Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
léicean
←
Ancient Greek
λειχήν
(derived)
←
Proto-Indo-European
*leyǵʰ-
(root)
←
Latin
līchēn
(borrowed)
→
Irish
léiceanmhéadracht
(affix)