odel	birthright or allodial ownership
ofte	often
og	and
oktober	October
oldebarn	great-grandchild
oldefar	great-grandfather
oldeforeldre	great-grandparents
oldemor	great-grandmother
om	if, about
omegn	neighboring places
omtrent	about, almost, nearly
omvendelse	conversion
onkel	uncle
onsdag	Wednesday
opp	up
oppe	above, upstairs
oppfostre	foster, to rear
oppholdsted	residence
opptegnelse	record
ordbok	dictionary
ordfører	mayor
oss	us
osv.	et cetera, and so on
over	over
overlevende	survivors
overtredelse	transgression