Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swedish
o
→
Swedish
oro
(prefix)
→
Swedish
ovan
(prefix)
→
Swedish
oren
(prefix)
→
Swedish
otur
(prefix)
→
Swedish
oberäknelig
(prefix)
→
Swedish
ovana
(prefix)
→
Swedish
oberoende
(prefix)
→
Swedish
oändlig
(prefix)
→
Swedish
orolig
(prefix)
→
Swedish
oskuld
(prefix)
→
Swedish
olycka
(prefix)
→
Swedish
ouppräknelig
(prefix)
→
Swedish
oundviklig
(prefix)
→
Swedish
oviktig
(prefix)
→
Swedish
odjur
(prefix)
→
Swedish
omöjlig
(prefix)
→
Swedish
otrolig
(prefix)
→
Swedish
onödig
(prefix)
→
Swedish
onormal
(prefix)
→
Swedish
otålig
(prefix)
→
Swedish
ogift
(prefix)
→
Swedish
okunnig
(prefix)
→
Swedish
oförutsedd
(prefix)
→
Swedish
onödvändig
(prefix)
→
Swedish
obebodd
(prefix)
→
Swedish
oväntad
(prefix)
→
Swedish
oförutsägbar
(prefix)
→
Swedish
oregelbunden
(prefix)
→
Swedish
ovanlig
(prefix)
→
Swedish
olämplig
(prefix)
→
Swedish
opassande
(prefix)
→
Swedish
olaglig
(confix)
→
Swedish
obetydlig
(prefix)
→
Swedish
oåtkomlig
(prefix)
→
Swedish
oumbärlig
(prefix)
→
Swedish
oförskämd
(prefix)
→
Swedish
obegriplig
(prefix)
→
Swedish
orättvis
(prefix)
→
Swedish
orörlig
(prefix)
→
Swedish
obehaglig
(prefix)