Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*gerg-
→
English
kestrel
(derived)
→
English
crouch
(derived)
→
English
crochet
(derived)
→
French
craquer
(derived)
→
French
crécerelle
(cognate)
→
Old French
croc
(derived)
→
Italian
crocco
(derived)
→
Latvian
gredzens
(derived)
→
Norwegian Bokmål
krok
(derived)
→
Swedish
kräkas
(derived)