Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
treacherous
←
English
treacher
(mention)
←
Old French
trecheros
(derived)
←
Old French
tricheros
(mention)
→
English
treacherously
(suffix)
→
English
treacherousness
(suffix)
→
English
bletcherous
(mention)
→
English
untreacherous
(prefix)