Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
jajo
←
Proto-Balto-Slavic
*ṓja
(inherited)
←
Proto-Indo-European
*h₂ōwyóm
(inherited)
←
Proto-Slavic
*ȃje
(inherited)
→
Danish
æg
(cognate)
→
Polish
jajowód
(suffix)
→
Polish
jajowaty
(affix)
→
Polish
jajowar
(compound)
→
Polish
jajogłowy
(affix)