Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
łokieć
←
Proto-Indo-European
*Heh₃l-
(mention)
←
Proto-Slavic
*olkъtь
(inherited)
→
Lower Sorbian
łokś
(cognate)
→
Polish
łokietek
(affix)
→
Polish
łokciowy
(affix)
→
Polish
podłokietnik
(affix)
→
Serbo-Croatian
lakat
(cognate)