Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
uath-
←
Irish
uatha
(mention)
→
Irish
uathlathach
(affix)
→
Irish
uathlathaí
(affix)
→
Irish
uathlathas
(affix)
→
Irish
uathach
(affix)