Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Portuguese
cras
←
Latin
crās
(inherited)
→
Galician
crás
(derived)
→
Portuguese
amanhã
(cognate)
→
Portuguese
crás
(derived)