Browse All Abbreviation Categories
- 12421. Origami
- 12422. Originality
- 12423. Originator
- 12424. Oriole
- 12425. Orlando
- 12426. Ornament
- 12427. Ornithologist
- 12428. Ornithology
- 12429. Orphan
- 12430. Orphanage
- 12431. Orpin
- 12432. Ort
- 12433. Orthodontic
- 12434. Orthodontics
- 12435. Orthodontist
- 12436. Orthodoxy
- 12437. Orthographic
- 12438. Orthography
- 12439. Orthopaedic
- 12440. Orthopaedics