| nose(noun, verb, follow, pursue, investigate) |
| nose around(verb, expression, phrasal verb, study, consider) |
| observer(noun, plant, watch, guard, agent) |
| operative(noun, plant, agent, spy, mole) |
| outlook(noun, case, watch, guard, post) |
| outrank(verb, lead, head, anticipate, presage) |
| overpass(reject, disregard, ignore, neglect, overlook) |
| pass by(verb, expression, decline, dismiss, ignore) |
| pass over(expression, reject, disregard, ignore, neglect) |
| pass up(verb, expression, decline, dismiss, ignore) |
| patrol member(expression, idiom) |
| pave the way(expression, idiom, lead, head, anticipate) |
| peep(verb, consider, see, observe, view) |
| pilot(noun, person, informal, model, guard) |
| poke(verb, study, consider, examine, review) |
| preexist(verb, lead, head, anticipate, presage) |
| preface(verb, lead, head, anticipate, presage) |
| pry(verb, study, check, consider, examine) |
| pursue(verb, cover, bother, follow, catch) |
| put down(verb, expression, decline, dismiss, ignore) |