Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
trzy
←
Proto-Indo-European
*tréyes
(inherited)
←
Proto-Slavic
*tri
(inherited)
→
Polish
Trzygłów
(compound)
→
Polish
trzygłowy
(affix)
→
Polish
troić
(suffix)
→
Polish
trzydniowy
(affix)