Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
tútsje
←
West Frisian
tút
(affix)
←
West Frisian
-sje
(affix)
←
Dutch
tuiten
(cognate)
→
North Frisian
taatji
(cognate)