Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
oito
←
Proto-Indo-European
*oḱtṓw
(inherited)
←
Latin
octō
(inherited)
←
Old Portuguese
oito
(inherited)
←
Old Portuguese
oyto
(mention)
→
Corsican
ottu
(cognate)
→
Spanish
ocho
(cognate)
→
Kabuverdianu
oitu
(derived)
→
Guinea-Bissau Creole
oitu
(derived)
→
Portuguese
ou oito, ou oitenta
(mention)
→
Portuguese
nem oito, nem oitenta
(mention)