Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Dutch
grijnen
→
English
groan
(cognate)
→
Luxembourgish
gréngen
(cognate)
→
Dutch
begrijnen
(prefix)
→
Dutch
grinniken
(suffix)