Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
riesig
←
German
Riese
(affix)
←
German
-ig
(affix)
→
Saterland Frisian
riesich
(cognate)