| hear(verb, determine, see, catch, observe) |
| hit on(verb, expression, phrasal verb, see, catch) |
| hit upon(expression, catch, notice, spot, discover) |
| infiltrate(verb, ease, approach, creep, skirt) |
| inquire |
| interrogate |
| invalidate(verb, cross, frustrate, blank, thwart) |
| invent(verb, determine, see, catch, observe) |
| lag(verb, draw, follow, extend, trace) |
| lag behind(verb, expression, phrasal verb, draw, follow) |
| light upon(verb, expression, phrasal verb, determine, see) |
| linger(verb, draw, follow, extend, trace) |
| locate(verb, determine, see, catch, observe) |
| loiter(verb, draw, follow, extend, trace) |
| look up(verb, expression, phrasal verb, determine, see) |
| meet(verb, see, catch, observe, notice) |
| meet with(verb, expression, phrasal verb, see, catch) |
| neutralize(verb, cross, frustrate, blank, thwart) |
| nonplus(verb, cross, frustrate, blank, thwart) |
| nose around |