Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Cimbrian
aadar
←
German
Ader
(cognate)
←
English
edder
(cognate)
←
Proto-Germanic
*ēdrǭ
(inherited)
←
Middle High German
āder
(inherited)
←
Old High German
ādra
(inherited)
←
Icelandic
æð
(cognate)
←
Dutch
ader
(cognate)