Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
altyd
←
West Frisian
al
(compound)
←
West Frisian
tiid
(compound)
→
Saterland Frisian
altiede
(cognate)