Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
gwisgo
←
Welsh
gwisg
(affix)
←
Welsh
-o
(affix)
→
English
wear
(cognate)
→
Welsh
dadwisgo
(affix)