Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
trwoga
←
Proto-Slavic
*trьvoga
(inherited)
→
Polish
trwożliwy
(suffix)
→
Polish
trwożny
(suffix)
→
Polish
trwożyć
(affix)
→
Russian
тревога
(cognate)