Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
obtend
←
English
ob-
(affix)
←
Latin
obtendere
(derived)
←
Latin
obtentum
(mention)
←
Latin
ob
(mention)
←
Latin
tendere
(mention)
→
English
obtension
(mention)