Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
reinbôge
←
West Frisian
rein
(compound)
←
West Frisian
bôge
(compound)
→
English
rainbow
(cognate)