O words

opal
Opel - a European car manufacturer
Opel Record - an old model of Opel in the 1960s
opium - what people enjoy in the hot afternoon or after giving birth (to take away the pain)
opioids - drugs
onward
onward leg (forward or going to as in travel or flight)
onward trip (forward travel itinerary)
on it
on drugs
on medication
on or off (Is in on or off?)
onto
organ
organism
orgasm
orgy
orgies
orly