Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
choca
←
Gaulish
*clocca
(derived)
←
English
clock
(cognate)
←
English
bell
(link)
←
English
cowbell
(link)
←
French
cloche
(cognate)
←
Irish
clog
(cognate)
←
Proto-Indo-European
*klak
(derived)
←
Portuguese
chocar
(back-formation)
←
Old Portuguese
choca
(derived)
→
Dalmatian
čauca
(cognate)
→
Portuguese
chocalho
(suffix)