Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
filleadh
→
Scottish Gaelic
ath-fhilleadh
(affix)
→
Scottish Gaelic
frith-fhilleadh
(prefix)