Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
ruibarbo
←
Old French
reubarbe
(mention)
←
Latin
reubarbarum
(mention)
←
Latin
Rha
(mention)
←
Latin
barbarum
(mention)
→
English
rhubarb
(cognate)