Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
See
←
Danish
sav
(cognate)
←
German
Säge
(cognate)
←
English
saw
(cognate)
←
Proto-Germanic
*sagō
(inherited)
←
Old High German
saga
(inherited)
←
Icelandic
sög
(cognate)
←
Dutch
zaag
(cognate)
→
Luxembourgish
seeën
(suffix)
→
Luxembourgish
Nervesee
(compound)
→
Luxembourgish
Motorsee
(compound)