Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
pant
←
Proto-Celtic
*kwantyo-
(inherited)
←
Pictish
ᚘᚐᚅᚈ
(cognate)
→
English
Pont-y-pant
(mention)
→
Welsh
bant
(mention)