Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
tocsain
→
Irish
tocsaineacht
(affix)
→
Irish
tocsaineach
(affix)
→
Irish
tocsaineolaíocht
(affix)
→
Irish
antatocsain
(affix)
→
Irish
fritocsain
(affix)