Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
comulgar
←
Spanish
comunicar
(doublet)
←
Latin
commūnicāre
(inherited)
←
Latin
commūnicō
(mention)
→
Spanish
comunicar
(doublet)
→
Spanish
comulgatorio
(affix)
→
Portuguese
comungar
(cognate)