Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scots
sark
←
Old English
serc
(derived)
←
Old English
syrc
(mention)
←
Old English
sierce
(mention)
→
English
sark
(cognate)
→
English
sarkit
(mention)
→
Swedish
särk
(cognate)