Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Alemannic German
gsë
←
Old High German
sehan
(derived)
←
Alemannic German
ge-
(mention)
←
Luxembourgish
gesinn
(cognate)