Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*mr̥tó-
→
Galician
morto
(mention)
→
Latin
mortuus
(mention)
→
Portuguese
morto
(mention)