Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
dóchúlacht
←
Irish
dóchúil
(affix)
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Irish
-acht
(affix)
→
Irish
réamhdhóchúlacht
(prefix)