Disease with O
- Obesity
- Ovarian cancer
- Omicron
- Osteoarthritis
- Oral cancer
- Organ failure
- Ovary cancer
- Osteosarcoma
- Ocular degeneration
- Otitis
- Oral disease
- Otitis media
- Oral infection
- oral herpes
- Opioid addiction
- ocular cancer
- osteomyelitis
- ovarian cysts
- Obese
- overweight
- Oral thrush
- Obsessive compulsive disorder
- oesophageal cancer
- Ovarian cyst
- Organ cancer
- oral
- oral gum disease
- Opioid
Slová v zozname Disease with O pochádzajú od hráčov slovnej hry Meno, Mesto, Zviera, Vec.