Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
gwerth
←
Proto-Brythonic
*gwerθ
(inherited)
→
English
worth
(cognate)
→
Welsh
wynebwerth
(affix)
→
Welsh
gwerthu
(affix)
→
Welsh
diwerth
(affix)
→
Welsh
gwerthfawr
(affix)