Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Kamp
←
German
Kamm
(cognate)
←
English
comb
(cognate)
←
Proto-Germanic
*kambaz
(inherited)
←
Old High German
kamb
(inherited)
←
Icelandic
kambur
(cognate)
←
Dutch
kam
(cognate)