- Osteosarcoma Subst. Adj.
- Osteosclerotic Adj.
- Osteosynthesis Subst. Adj.
- Osteotomy Subst. Adj.
- Osteotropic Adj.
- Ostial Adj.
- Ostinato Subst. Adj.
- Ostiole Subst. Adj.
- Ostomy Subst. Adj.
- Ostraceous Adj.
- Ostracised Adj.
- Ostracized Adj.
- Ostracod Subst. Adj.
- Ostrich Subst. Adj.
- Otacoustic Adj.
- Otalgic Adj. Subst.
- Otariid Subst. Adj.
- OTC Adj. Subst.
- Other Subst. Adj. Pron.
- Otherly Adj. Adv.
- Otherworld Adj. Subst.
- Otherworldly Adj. Adv.
- Otic Adj.
- Otiose Adj.
- Otitic Adj.
- Otocephalic Adj.
- Otocranial Adj.
- Otocyst Subst. Adj.
- Otocystic Adj.
- Otodectic Adj.
- Otogenic Adj.
- Otogenous Adj.
- Otolaryngologic Adj.
- Otolaryngological Adj.
- Otolaryngologist Subst. Adj.
- Otolith Subst. Adj.
- Otolithic Adj.
- Otologic Adj.
- Otological Adj.
- Otologist Subst. Adj.
- Otomandibular Adj.
- Otomicroscope Subst. Adj.
- Otomycotic Adj.
- Otopharyngeal Adj.
- Otoplasty Subst. Adj.
- Otorhinolaryngologic Adj.
- Otosclerectomy Subst. Adj.
- Otosclerotic Adj.
- Otoscope Subst. Adj.
- Otoscopic Adj.
- Ototoxic Adj.
- Ottava Subst. Adj.
- Otter Subst. Adj. Verb
- Ottoman Subst. Adj.
- Ottrelite Subst. Adj.
- Ouabain Subst. Adj.
- Oudh Subst. Eigenn. Adj.
- Ouija Subst. Adj. Eigenn.
- Ounce Subst. Adj.
- Ouster Subst. Adj.