Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
fillte
→
Scottish Gaelic
dà-fhillt
(prefix)
→
Scottish Gaelic
ath-fhillteach
(affix)
→
Scottish Gaelic
dà-fhillte
(affix)