'Turn precedes' - so LAVA (which is hot)?
#5: As an entirely straight clue, this could be CAVES (or maybe TUNNELS), under the Misty Mountains; with the second letter being the password one.
#4: Frodo's dream in Bombadil's house (and indeed Frodos Dreme) are about the Sea, but Merry (I think) dreams of WATER more generally, or perhaps a FLOOD (or indeed DROWNING, though that's a bit dark!).
hS
|