Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
congruous
←
Middle English
(inherited)
←
Latin
congruus
(derived)
←
Latin
congruō
(mention)
→
English
congruousness
(suffix)
→
English
congrue
(mention)
→
English
congruously
(suffix)
→
English
noncongruous
(prefix)