Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
sumpich
←
Saterland Frisian
Sump
(affix)
←
Saterland Frisian
-ich
(affix)
→
English
swampy
(cognate)