| interest(noun, mark, note, regard, notice) |
| keep an eye on(verb, expression, idiom, phrasal verb, mark) |
| lend an ear(verb, expression, idiom, note, follow) |
| listen(verb, note, follow, observe, attend) |
| look(verb, mark, see, note, notice) |
| look after(verb, expression, phrasal verb, see, note) |
| look on(verb, expression, phrasal verb, note, follow) |
| make certain(verb, expression, mark, see, note) |
| mark(noun, verb, note, regard, follow) |
| mind(noun, verb, mark, see, note) |
| mind the store(verb, expression, idiom, mark, see) |
| note(noun, verb, mark, regard, follow) |
| notice(noun, verb, mark, note, regard) |
| observe(verb, mark, note, follow, notice) |
| occupy oneself with(verb, expression, idiom, phrasal verb, note) |
| oversee(verb, see, note, notice, attend) |
| pay attention(verb, expression, note, attend, concentrate) |
| pay heed(verb, expression, note, follow, observe) |
| perceive(verb, mark, see, note, notice) |
| pick up(verb, expression, phrasal verb, note, follow) |