Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
tajemnica
←
Polish
tajemny
(affix)
←
Polish
-ica
(affix)
→
Belarusian
таямніца
(borrowed)
→
Polish
tajemniczy
(affix)
→
Polish
wtajemniczyć
(affix)
→
Romanian
taină
(cognate)
→
Ukrainian
таємниця
(borrowed)