Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
elenchus
←
English
elench
(doublet)
←
Ancient Greek
ἔλεγχος
(derived)
→
English
elenchize
(suffix)
→
English
elench
(doublet)
→
Spanish
elenco
(cognate)