Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
kná
←
English
know
(cognate)
←
Proto-Germanic
*knēaną
(inherited)
←
Proto-Indo-European
*ǵneh₃-
(root)
←
Proto-Indo-European
*ǵneh₃-
(derived)
→
English
know
(cognate)
→
Old English
cnawan
(cognate)
→
Icelandic
knega
(inherited)