Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
poniedziałek
←
Polish
po-
(affix)
←
Polish
niedziela
(affix)
←
Polish
-ek
(affix)
←
Proto-Slavic
*ponedělъkъ
(inherited)