| recognize(verb, note, regard, observe, notice) |
| regard(verb, note, follow, observe, notice) |
| remark(verb, note, regard, observe, notice) |
| resemble |
| revert |
| ride herd on(verb, expression, idiom, note, regard) |
| scan(verb, note, regard, observe, notice) |
| scope(verb, note, regard, observe, notice) |
| scrutinize(verb, note, regard, observe, notice) |
| should |
| sight(verb, note, regard, observe, notice) |
| sightsee |
| sit(verb, note, regard, follow, observe) |
| spot(verb, note, regard, follow, observe) |
| spy(verb, note, regard, observe, notice) |
| stare(verb, note, regard, observe, notice) |
| strain(hear, eavesdrop, earwig) |
| supposing |
| survey(verb, note, regard, observe, notice) |
| take note of(verb, expression, idiom, note, regard) |