Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
quoth
←
Old English
cwæþ
(inherited)
←
Old English
cweþan
(mention)
←
Middle English
quoth
(inherited)
←
Middle English
quath
(mention)
←
Proto-Germanic
*kwaþ
(inherited)
←
Proto-Germanic
*kweþaną
(derived)
→
English
quotha
(mention)
→
English
bequest
(mention)
→
Danish
kvæde
(cognate)
→
Swedish
kväda
(cognate)