| It opens Windows | 16 |
| It opens with a 75-bar bassoon solo | 35 |
| It opens with a click | 21 |
| It opens with thunder and lightning, in "Macbeth" | 59 |
| It operates by compression | 26 |
| It operates gears | 17 |
| It operates on wind power | 25 |
| It operates under a royal charter | 33 |
| It orbited Earth 86,331 times | 29 |
| It orbits the sun in 88 days | 28 |
| It originally included 51 states | 32 |
| It originated at Zurich's Cabaret Voltaire in the 1910s | 59 |
| It originated from the General Call made with a boatswain's pipe | 68 |
| It originates from the left ventricle | 37 |
| It ought to be condemned | 24 |
| It oversees a major production every two yrs. | 45 |
| It owns Cinemax | 15 |
| It packs a charge | 17 |
| It paid about 50-1 at the 2007 Kentucky Derby | 45 |
| It pairs with "Faith," in a saying | 44 |
| It pairs with "Faith," in an Irish saying | 51 |
| It parallels a radius | 21 |
| It parallels the fibula | 23 |
| It parallels the radius | 23 |
| It parted for Moses | 19 |
| It parted in Exodus | 19 |
| It participates in cover-ups | 28 |
| It passes | 9 |
| It passes between decks | 23 |
| It passes between Swiss banks | 29 |
| It passes engine gases | 22 |
| It passes the buck | 18 |
| It passes the buck? | 19 |
| It passes through a lubber's hole | 37 |
| It passes through a pollen tube | 31 |
| It passes through adits | 23 |
| It passes through six E. state capitals | 39 |
| It passes through the earth's poles | 39 |
| It passes through the poles | 27 |
| It paves the way | 16 |
| It pays 1:1 in roulette | 23 |
| It pays one to one | 18 |
| It pays you cash when you get hurt and miss work | 48 |
| It penalizes obstruction of hydrants | 36 |
| It performs best when tired? | 28 |
| It picks up readings | 20 |
| It picks up the slacks | 22 |
| It picks up things with a dish | 30 |
| It pictures the U.S. Capitol | 28 |
| It played Bing Crosby | 21 |
| It played the Platters' platters | 36 |
| It plays a part in openings and closings | 40 |
| It plays a part in some openings | 32 |
| It plays a supporting role | 26 |
| It plays around | 15 |
| It plays in church | 18 |
| It plays it | 11 |
| It plays it? | 12 |
| It points to the minutes | 24 |
| It points you in the right direction | 36 |
| It points you somewhere else | 28 |
| It popped into Descartes's head | 35 |
| It pops in the morning | 22 |
| It pops into the head | 21 |
| It pounds the pavement | 22 |
| It pours but doesn't rain | 29 |
| It pours from pores | 19 |
| It pours over the rocks | 23 |
| It preceded Germany, once | 25 |
| It preceded Roosevelt | 21 |
| It preceded stereo | 18 |
| It precedes ''carte'' or ''mode'' | 65 |
| It precedes "Blastoff!" | 33 |
| It precedes "com" | 27 |
| It precedes "demonstrandum" | 37 |
| It precedes "fast" and follows "home" | 57 |
| It precedes "more" and "lasting" | 52 |
| It precedes "of A" | 28 |
| It precedes "of God" or "of war" | 52 |
| It precedes "Over here!" | 34 |
| It precedes "Romeo" | 29 |
| It precedes "Substituted Ball" in the Definitions section of the "Rules of Golf" | 100 |
| It precedes "the land of the free" | 44 |
| It precedes "Then fall, Caesar" | 41 |
| It precedes 1-2-3 | 17 |
| It precedes 10017 | 17 |
| It precedes 15 | 14 |
| It precedes a blowout? | 22 |
| It precedes a cast party | 24 |
| It precedes a general? | 22 |
| It precedes a KO | 16 |
| It precedes a laugh | 19 |
| It precedes a meal and cake | 27 |
| It precedes a phone number | 26 |
| It precedes a return | 20 |
| It precedes an extra point | 26 |
| It precedes an extra point? | 27 |
| It precedes an invention | 24 |
| It precedes an offering | 23 |
| It precedes any of the five circled "words" | 53 |