| run after(verb, expression, follow, pursue, investigate) |
| run down(verb, expression, cover, follow, catch) |
| run into(verb, expression, meet, establish, catch) |
| scare up(verb, expression, meet, catch, strike) |
| scoop out(expression, action, dig, probe, burrow) |
| scratch(verb, follow, pursue, seek, investigate) |
| scratch around(verb, expression, examine, look, seek) |
| search high heaven(verb, expression, idiom, examine, look) |
| sense(verb, determine, see, catch, observe) |
| shadow(verb, cover, follow, catch, reveal) |
| shovel(action, investigate, dig, research, probe) |
| sift(verb, action, examine, look, seek) |
| sight(verb, meet, see, catch, strike) |
| spade(action, investigate, dig, research, probe) |
| spy |
| spy out |
| stalk(verb, cover, follow, catch, reveal) |
| stare(search, bug, hunt, poke, peer) |
| station(verb, establish, strike, reveal, spot) |
| stumble on(verb, expression, meet, establish, strike) |