Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
ruh
←
German
ruch
(cognate)
←
German
rau
(cognate)
←
Middle Dutch
ruuch
(cognate)
←
Middle Dutch
ru
(mention)
←
Middle Dutch
rou
(mention)
←
Proto-Germanic
*rūhwaz
(inherited)
←
Old High German
rūh
(cognate)
←
Dutch
ruig
(cognate)
←
Dutch
ruw
(mention)
←
Dutch
rouw
(mention)