Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
folcisc
←
Old English
folc
(suffix)
←
Old English
isċ
(suffix)
→
English
folkish
(cognate)
→
German
völkisch
(cognate)