Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
testimonial
←
English
testimony
(mention)
←
French
testimonial
(derived)
←
Latin
testimonium
(derived)
→
English
nontestimonial
(prefix)
→
English
testimonialize
(suffix)
→
English
testimonialise
(suffix)