Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
muchedumbre
←
Spanish
multitud
(doublet)
←
Latin
multitūdinem
(inherited)
←
Latin
multitūdō
(mention)
←
Old Spanish
muchedumne
(inherited)
←
Old Spanish
muchidumne
(mention)
→
Spanish
multitud
(doublet)
→
Spanish
certidumbre
(mention)
→
Spanish
-dumbre
(mention)