Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
breac
←
Breton
breac'h
(cognate)
←
Welsh
brych
(cognate)
←
Old Irish
brecc
(inherited)
→
English
Bracken
(mention)
→
Irish
iarnbhreac
(prefix)
→
Irish
bairín breac
(mention)
→
Irish
breacaire
(affix)
→
Irish
breac-
(mention)
→
Irish
alabhreac
(mention)
→
Manx
breck
(cognate)