Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
hydrofracking
←
English
hydro
(prefix)
←
English
fracking
(prefix)
→
English
frac
(cognate)
→
English
frack
(cognate)