Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Linlithgow
←
Welsh
*linn
(affix)
←
Welsh
llaith
(affix)
←
Welsh
cau
(affix)
←
Welsh
(affix)
←
Welsh
llyn
(cognate)
→
English
Linlithgowshire
(suffix)