Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
seeën
←
German
sägen
(cognate)
←
Middle High German
segen
(inherited)
←
Old High German
segōn
(inherited)
←
Luxembourgish
See
(suffix)
←
Luxembourgish
en
(suffix)