Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
trovoada
←
English
thunder
(link)
←
English
thunderstorm
(link)
←
Portuguese
trovão
(affix)
←
Portuguese
-ada
(affix)
→
Galician
treboada
(cognate)