Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
beacht
←
Old Irish
becht
(inherited)
→
Irish
neamhbheacht
(affix)
→
Irish
beachtaigh
(affix)
→
Irish
beachtaí
(affix)
→
Irish
beachtas
(affix)
→
Irish
ainbheacht
(affix)
→
Irish
beachtaire
(affix)