Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
tawel
←
Welsh
taw
(mention)
→
Welsh
tawelyn
(affix)
→
Welsh
tawelu
(affix)
→
Welsh
tawelwch
(suffix)