Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
merenda
←
Latin
merenda
(inherited)
←
Portuguese
merendar
(mention)
←
Old Portuguese
merenda
(inherited)
→
Spanish
merienda
(cognate)
→
Galician
merenda
(cognate)
→
Italian
merenda
(cognate)
→
Portuguese
merendar
(suffix)