Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
vint
←
Catalan
vint
(cognate)
←
Spanish
veinte
(cognate)
←
French
vingt
(cognate)
←
Proto-Indo-European
*h₁wih₁ḱm̥ti
(inherited)
←
Proto-Indo-European
*dwi(h₁)dḱm̥ti(h₁)
(mention)
←
Proto-Indo-European
*dwi(h₁)dḱm̥ti
(mention)
←
Italian
venti
(cognate)
←
Latin
vīgintī
(inherited)
←
Old Occitan
(inherited)
→
Catalan
vint
(cognate)
→
Occitan
vinten
(affix)