Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
bákn
←
English
beacon
(cognate)
←
Proto-Germanic
*baukną
(derived)
←
Dutch
baken
(cognate)
←
Old Norse
bákn
(inherited)
←
Old Frisian
bāken
(derived)