Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
crych
←
Proto-Indo-European
*(s)ker-
(derived)
←
Latin
crispus
(mention)
→
Breton
krec'h
(cognate)
→
Welsh
tafol crych
(compound)