Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
taeog
←
Welsh
tŷ
(suffix)
←
Welsh
og
(suffix)
→
Welsh
taeogtref
(compound)
→
Welsh
taeogaidd
(suffix)