Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
geiriadur
←
Welsh
gair
(suffix)
←
Welsh
iadur
(suffix)
→
Breton
geriadur
(cognate)
→
Welsh
geiriadurwr
(suffix)
→
Welsh
Wiciadur
(blend)