Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
awgrym
←
English
algorithm
(cognate)
←
Middle English
augrym
(borrowed)
→
Welsh
awgrymog
(suffix)
→
Welsh
awgrymu
(suffix)