| learn |
| leave no stone unturned(verb, expression, idiom, follow, pursue) |
| look about(verb, expression, follow, pursue, investigate) |
| look around(verb, expression, follow, pursue, investigate) |
| look for(verb, expression, follow, pursue, investigate) |
| look high and low(verb, expression, idiom, follow, pursue) |
| mouse(verb, follow, pursue, investigate, scratch) |
| pick up on(expression, idiom, determine, follow, discover) |
| probe(verb, determine, follow, discover, pursue) |
| prowl(verb, follow, pursue, seek, investigate) |
| ransack(verb, follow, pursue, seek, investigate) |
| root(verb, follow, pursue, seek, investigate) |
| run after(verb, expression, follow, pursue, investigate) |
| run to earth(expression, idiom) |
| scent |
| scratch(verb, follow, pursue, seek, investigate) |
| search for(verb, expression, follow, pursue, investigate) |
| seek out(verb, expression, follow, discover, pursue) |
| shadow |
| smell |