Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
zwéin
←
German
zwei
(cognate)
←
English
twain
(cognate)
←
Proto-Germanic
*twai
(derived)
←
Old High German
zwēne
(derived)
←
Dutch
twee
(cognate)
→
German
zwo
(mention)