Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
singular
←
Spanish
señero
(doublet)
←
Latin
singulāris
(borrowed)
→
Spanish
singularmente
(suffix)
→
Spanish
señero
(doublet)
→
Spanish
singularizar
(affix)