Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
noventa
←
Latin
novaenta
(mention)
←
Latin
nōnāgintā
(inherited)
←
Latin
novem
(mention)
←
Old Portuguese
noveenta
(inherited)