Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
rocha
←
Breton
roc'h
(cognate)
←
English
rock
(cognate)
←
French
roche
(derived)
←
French
roche
(cognate)
←
Italian
rocca
(cognate)
←
Portuguese
roca
(doublet)
→
Portuguese
roca
(doublet)
→
Portuguese
roca
(link)
→
Portuguese
rochoso
(affix)
→
Portuguese
rochedo
(affix)
→
Portuguese
Rocha
(mention)