ofte	often
og	and
også	also
oktober	October
oldebarn	great-grandchild
oldefar	great-grandfather
oldeforældre	great-grandparents
oldemor	great-grandmother
om	if, about
omegn	neighborhood, neighboring place
omkom	die (perish)
omkring	about, approximately
omtrent	about, almost
omvendelse	conversion
onkel	uncle
onsdag	Wednesday
op	up
ophold	reside(s), stay
opholdsted	residence
oppe	above, upstairs
optegnelse	record
ordbok	dictionary
os	us
o.s.v.	etc.
otte	eight
ottende	eighth
otte og tyve	twenty-eight
otte og tyvende	twenty-eighth