| Observer of a West Virginia senator? | 36 |
| Observer | 8 |
| Observed, to Tweety | 19 |
| Observed Yom Kippur | 19 |
| Observed visiting | 17 |
| Observed the seventh day | 24 |
| Observed the Sabbath | 20 |
| Observed secretly | 17 |
| Observed rigorously | 19 |
| Observed Lent | 13 |
| Observed intently | 17 |
| Observed in the act | 19 |
| Observed from up close | 22 |
| Observed critically | 19 |
| Observed casually | 17 |
| Observed carefully | 18 |
| Observed attending | 18 |
| Observed | 8 |
| Observe, with "of" | 28 |
| Observe, walls in Arles? | 24 |
| Observe, os, poet's always? | 31 |
| Observe, in the Bible | 21 |
| Observe, as the Sabbath | 23 |
| Observe, as advice | 18 |
| Observe Yom Kippur, in a way | 28 |
| Observe Yom Kippur, e.g. | 24 |
| Observe Yom Kippur | 18 |
| Observe with the mouth open | 27 |
| Observe with dignity | 20 |
| Observe Time limits? | 20 |
| Observe the Sabbath | 19 |
| Observe the rules of the game? | 30 |
| Observe the rules | 17 |
| Observe surreptitiously | 23 |
| Observe secretly | 16 |
| Observe Ramadan, say | 20 |
| Observe Ramadan | 15 |
| Observe orally | 14 |
| Observe narrowly | 16 |
| Observe Lent | 12 |
| Observe intently | 16 |
| Observe in the distance | 23 |
| Observe furtively | 17 |
| Observe covertly | 16 |
| Observe closely | 15 |
| Observe carefully | 17 |
| Observe Black Friday (and a chunk of the eight longest answers) | 63 |
| Observe better | 14 |
| Observe Arbor Day, say | 22 |
| Observe Arbor Day | 17 |
| Observe anew | 12 |
| Observe all the formalities | 27 |
| Observe again | 13 |
| Observe a football player? | 26 |
| Observe | 7 |
| Observatory tool | 16 |
| Observatory subj. | 17 |
| Observatory site? | 17 |
| Observatory site | 16 |
| Observatory sights | 18 |
| Observatory sightings | 21 |
| Observatory sighting | 20 |
| Observatory roof | 16 |
| Observatory references | 22 |
| Observatory problem | 19 |
| Observatory observer: Abbr. | 27 |
| Observatory observations | 24 |
| Observatory observation, perhaps | 32 |
| Observatory observation | 23 |
| Observatory near San Diego | 26 |
| Observatory NE of San Diego | 27 |
| Observatory function | 20 |
| Observatory find | 16 |
| Observatory explosions | 22 |
| Observatory doings | 18 |
| Observatories do it | 19 |
| Observations | 12 |
| Observational | 13 |
| Observation: Part 4 | 19 |
| Observation: Part 3 | 19 |
| Observation: Part 2 | 19 |
| Observation: Part 1 | 19 |
| Observation, part 6 | 19 |
| Observation, part 5 | 19 |
| Observation, Part 4 | 19 |
| Observation, Part 3 | 19 |
| Observation, Part 2 | 19 |
| Observation, part 1 | 19 |
| Observation, final part | 23 |
| Observation while passing the buck | 34 |
| Observation spot for tourists | 29 |
| Observation re candidates? | 26 |
| Observation posts for Peeping Toms | 34 |
| Observation on the ad era | 25 |
| Observation of cardinals, say | 29 |
| Observation from Bill Cosby, part 1 | 35 |
| Observation by Gibran | 21 |
| Observation by Davidson | 23 |
| Observation balloon | 19 |
| Observation as to why a Kansas-based company has to relocate to San Francisco instead of Boston? | 96 |