Rzeczownik z ang. na O
- Orange
- Owl
- Oil
- Octopus
- Onion
- oak
- Oven
- object
- office
- Ostrich
- Olive
- Order
- Orgasm
- Ocean
- Open
- Reklama
- October
- Oat
- Oval
- Oyster
- Out
- one
- Ornament
- Owen
- Opera
- Orphan
- Other
- Owner
- Old
- Opium
- Opportunity
- Oman
- Online
- Oral
- Oracle
- okay
- Okey
- Our
- officer
- only
- Opener
- Oxygen
- Over
- Orchestra
- oatmeal
- Odd
- Orangutan
- Opening
- offer
- Otter
- opposite
- Orca
- Oats
- Orc
- Olive oil
- Oscar
- Organization
- Ocular
- Older
- Oreo
- olives
- Reklama
- Outlet
- Okno
- operator
- Opal
- Olivia
- obstacle
- organ
- Oak wood
- Outside
- omen
- omega
- orange juice
- o'block
- Obvious
- obesity
- oh my god
- original
- Ornitology
- Ore
- Ointment
- Obviously
- Orb
- Oath
- Ozone
- omlette
- Ork
- Option
- ono
- Optitian
- Ordinary
- Optimist
- Overthinking
- Oklahoma
- Ogre
- own
- Oculus
- Opinion
- Occasion
- Ombre
Slová v zozname Rzeczownik z ang. na O pochádzajú od hráčov slovnej hry Meno, Mesto, Zviera, Vec.