Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
hedfan
←
Proto-Celtic
*-man
(mention)
←
Welsh
hedeg
(mention)
←
Welsh
-fan
(mention)
←
Welsh
adar
(mention)
←
Ancient Greek
πέτομαι
(cognate)
←
Proto-Indo-European
*pet-
(derived)
←
Latin
petō
(cognate)