Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
jeleń
←
Proto-Slavic
*(j)elenь
(inherited)
→
Czech
jelen
(cognate)
→
Latvian
alnis
(cognate)
→
Polish
jeleni
(affix)
→
Polish
Jeleń
(mention)
→
Polish
Leleń
(mention)
→
Polish
jelenię
(affix)
→
Polish
jelenina
(affix)