Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
insosso
←
Spanish
insulso
(cognate)
←
Italian
-
(cognate)
←
Latin
īnsulsus
(derived)
→
Spanish
insulso
(cognate)