Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
grig
←
Welsh
grug
(derived)
←
English
glut
(mention)
←
Cornish
grig
(derived)
←
Scots
crick
(cognate)
←
Swedish
krik
(cognate)