Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Breton
gouelan
←
Breton
gouelañ
(mention)
→
English
gull
(cognate)
→
English
seagull
(cognate)
→
Breton
gouelaned
(suffix)
→
Welsh
gwylan
(cognate)
→
French
goéland
(borrowed)
→
Cornish
goolan
(cognate)
→
Middle Irish
faílenn
(cognate)