| Organism needing oxygen | 23 |
| Organism needing air to exist | 29 |
| Organism in a relationship? | 27 |
| Organiser II was an early one | 29 |
| Organic-compound suffix | 23 |
| Organic vegetable container | 27 |
| Organic portion of soil | 23 |
| Organic milk dispenser | 22 |
| Organic matter used for fuel | 28 |
| Organic farming staple | 22 |
| Organic farmer's need | 25 |
| Organic farmer's creation | 29 |
| Organic compound suffix | 23 |
| Organic chemistry topic | 23 |
| Organic chemistry suffix | 24 |
| Organic chemical compound | 25 |
| Organic burger ingredient | 25 |
| Organ with a drum inside | 24 |
| Organ with a drum in it | 23 |
| Organ transplants, e.g. | 23 |
| Organ that's vented | 23 |
| Organ that may be caught | 24 |
| Organ repair sites: Abbr. | 25 |
| Organ repair sites, for short | 29 |
| Organ repair sites, briefly | 27 |
| Organ parts with cones | 22 |
| Organ or piece preceder | 23 |
| Organ of Corti location | 23 |
| Organ nourishing a fetus | 24 |
| Organ next to the stomach | 25 |
| Organ near the stomach | 22 |
| Organ grinder's pet | 23 |
| Organ grinder's aide | 24 |
| Organ for eavesdropping | 23 |
| Organ for an otolaryngologist | 29 |
| Organ for a milking machine | 27 |
| Organ ending, in Oxford | 23 |
| Organ donor's card: Abbr. | 29 |
| Organ donor's beneficiary | 29 |
| Organ beset by alcohol | 22 |
| Organ attached to the liver | 27 |
| Org. working on bridges | 23 |
| Org. with writing fellowships | 29 |
| Org. with Woods and Els | 23 |
| Org. with Wizards and Magic | 27 |
| Org. with Virginia creepers? | 28 |
| Org. with very few hackers | 26 |
| Org. with Titans and Giants | 27 |
| Org. with Titans and Chiefs | 27 |
| Org. with thirty franchises | 27 |
| Org. with the Sun and Sky | 25 |
| Org. with the Sixth Man Award | 29 |
| Org. with the Minnesota Lynx | 28 |
| Org. with Suns and Heat | 23 |
| Org. with strikes and spares | 28 |
| Org. with spring playoffs | 25 |
| Org. with some real operators | 29 |
| Org. with some lightweights | 27 |
| Org. with some featherweights | 29 |
| Org. with some big guns? | 24 |
| Org. with sniffing dogs | 23 |
| Org. with shows in theaters? | 28 |
| Org. with Sharks and Flames | 27 |
| Org. with rats and moles | 24 |
| Org. with pledge drives | 23 |
| Org. with Pirates and Sharks | 28 |
| Org. with pi in its logo | 24 |
| Org. with pet projects? | 23 |
| Org. with Penguins and Ducks | 28 |
| Org. with Penguins and Bruins | 29 |
| Org. with peacekeeping forces | 29 |
| Org. with patrol leaders | 24 |
| Org. with Patriots and Jets | 27 |
| Org. with much swinging | 23 |
| Org. with merit badges | 22 |
| Org. with many specialists | 26 |
| Org. with many schedules | 24 |
| Org. with many pet projects? | 28 |
| Org. with many missions | 23 |
| Org. with many launches | 23 |
| Org. with many inspectors | 25 |
| Org. with many hunters | 22 |
| Org. with many conferences | 26 |
| Org. with many centers | 22 |
| Org. with many captains | 23 |
| Org. with many auditors | 23 |
| Org. with Lynx and Sparks | 25 |
| Org. with Lynx and Mercury | 26 |
| Org. with lots of energy | 24 |
| Org. with lots of docs | 22 |
| Org. with lots of clubs | 23 |
| Org. with lots of big shots? | 28 |
| Org. with lofty goals? | 22 |
| Org. with lead concerns | 23 |
| Org. with launch parties? | 25 |
| Org. with Jets and Sharks | 25 |
| Org. with Heat and Thunder | 26 |
| Org. with Heat and Magic | 24 |
| Org. with Giants and Titans | 27 |
| Org. with frequent launchings | 29 |