Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
cârd
←
English
herd
(cognate)
←
Proto-Indo-European
*kerdʰ-
(derived)
←
Romanian
cireadă
(doublet)
←
Serbo-Croatian
кр̏до
(cognate)
←
Serbo-Croatian
kȑdo
(link)
←
Proto-Slavic
*kъrdo
(derived)
→
Romanian
cireadă
(doublet)
→
Romanian
cârdișor
(suffix)