Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
queixar
←
Spanish
quejar
(cognate)
←
Latin
*quassiare
(mention)
←
Latin
quassāre
(mention)
←
Latin
quassō
(mention)
→
Galician
queixar
(cognate)
→
Portuguese
queixa
(back-formation)