Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
North Frisian
hingst
←
Old Frisian
hengst
(derived)
→
Alemannic German
Hengscht
(cognate)
→
Luxembourgish
Hengscht
(cognate)