Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
extenuation
←
English
extenuate
(suffix)
←
English
ion
(suffix)
←
French
exténuation
(cognate)
←
Latin
(mention)
←
Latin
extenuātiō
(mention)
←
Latin
extenuō
(mention)