Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
meibion
←
Welsh
mab
(affix)
←
Welsh
-ion
(affix)
←
Cornish
meibion
(cognate)
→
English
Meibion Glyndwr
(mention)
→
Cornish
mebyon
(cognate)