Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
testemunho
←
Latin
testimōnium
(inherited)
←
Latin
testis
(mention)
→
Galician
testemuño
(cognate)
→
Portuguese
teste
(link)
→
Portuguese
testemunhar
(suffix)