Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
roca
←
Breton
r'och
(cognate)
←
English
rock
(cognate)
←
French
roche
(cognate)
←
Italian
rocca
(cognate)
←
Latin
*rocca
(mention)
→
Breton
roc'h
(cognate)
→
Spanish
roquero
(suffix)
→
Spanish
rocoso
(suffix)
→
Spanish
rocalla
(suffix)
→
Spanish
saltarrocas
(compound)
→
French
roche
(cognate)
→
Italian
rocca
(cognate)