Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
nó
←
Proto-Indo-European
*gned-
(derived)
←
Proto-Indo-European
*gnod-
(mention)
←
Latin
nodus
(inherited)
←
Portuguese
nodo
(doublet)
←
Old Portuguese
noo
(inherited)
→
English
noose
(cognate)
→
Spanish
nudo
(cognate)
→
Portuguese
nós
(mention)
→
Portuguese
nodo
(doublet)