Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
wtorek
←
Polish
wtóry
(suffix)
←
Polish
ek
(suffix)
←
Polish
(suffix)
←
Proto-Slavic
*vъtorъkъ
(inherited)
→
Polish
Wtorek
(mention)