Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
pez
←
Proto-Indo-European
*pik-
(inherited)
←
Proto-Indo-European
*pi-
(mention)
←
Latin
pix
(inherited)
←
Old Portuguese
pez
(inherited)
→
Portuguese
piche
(doublet)