Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
acomhal
←
Old Irish
accomol
(inherited)
←
Old Irish
ad·comla
(mention)
→
Irish
acomhlach
(affix)
→
Irish
T-acomhal
(affix)