| have a care(verb, expression, idiom, trouble, mind) |
| heads up(verb, expression, mind, notice, spot) |
| hearken(verb, mind, notice, spot, avoid) |
| heed(verb, mind, notice, avoid, attend) |
| keep(verb, protect, guard, heed, obey) |
| keep an eye out(verb, expression, idiom, mind, notice) |
| keep eyes open(verb, expression, idiom, keep, mind) |
| keep eyes peeled(verb, expression, idiom, keep, protect) |
| keep tabs(verb, expression, mind, notice, spot) |
| keep watch over(verb, expression, idiom, phrasal verb, keep) |
| listen(verb, mind, notice, spot, avoid) |
| look after(verb, expression, phrasal verb, keep, protect) |
| mind(verb, keep, notice, spot, avoid) |
| mistrust(verb, doubt, question, suspect) |
| notice(verb, mind, spot, avoid, attend) |
| oversee(verb, keep, protect, guard) |
| patrol(verb, keep, protect, wait, guard) |
| pay attention(verb, expression, mind, notice, spot) |
| peg(verb, mind, notice, spot, avoid) |
| pick up on(verb, expression, idiom, phrasal verb, keep) |