Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Këssen
←
Old French
coissin
(derived)
←
Middle High German
küssen
(inherited)
←
Old High German
kussīn
(inherited)