Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
equate
←
Middle English
equaten
(inherited)
←
Latin
aequātus
(derived)
←
Latin
aequō
(mention)
→
English
equation
(suffix)
→
English
equatable
(suffix)
→
English
equative
(suffix)