Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Central Franconian
Mau
←
Proto-Germanic
*mawwō
(inherited)
←
Proto-West Germanic
*mauwu
(inherited)
←
Old High German
mouwa
(inherited)
←
Dutch
mouw
(cognate)
→
Dutch
mouw
(cognate)