Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
solteiro
←
Catalan
solter
(cognate)
←
Spanish
soltero
(cognate)
←
Latin
sōlitārius
(inherited)
←
Portuguese
solitário
(doublet)
←
Portuguese
solto
(mention)
←
Old Portuguese
solteiro
(inherited)
←
Old Portuguese
solteyro
(mention)
→
Catalan
solter
(cognate)
→
Spanish
soltero
(cognate)
→
Portuguese
solitário
(doublet)