Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Irish
-mad
→
Middle Irish
fichetmad
(affix)
→
Middle Irish
sechtmad
(affix)
→
Middle Irish
tríchatmad
(affix)