Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
o
←
Proto-Indo-European
*h₃ebʰi
(derived)
←
Proto-Slavic
*o(b)
(inherited)
→
Czech
o-
(mention)
→
Czech
ob-
(mention)
→
Czech
ověřit
(prefix)
→
Czech
opracovat
(prefix)
→
Czech
opravit
(prefix)
→
Czech
otočit
(prefix)
→
Czech
opřít
(prefix)
→
Czech
opsat
(prefix)
→
Czech
okolí
(prefix)
→
Czech
ocenit
(prefix)
→
Czech
označit
(prefix)
→
Czech
opravdu
(prefix)
→
Czech
ošetřit
(prefix)
→
Czech
ozkoušet
(prefix)
→
Czech
obývat
(prefix)
→
Czech
ohodnotit
(prefix)
→
Czech
ozdobit
(prefix)
→
Czech
otaškařit
(prefix)
→
Czech
ochutit
(prefix)
→
Czech
obalamutit
(prefix)
→
Czech
otužit
(prefix)
→
Czech
ozim
(prefix)