1.
R omendacil - Element of stone: 8 + 19 = 649 (with extra A)
2.
E arendur - Element of discord: Cob + final + not my = last of 10.
3. Element of green: Not B = cog + +/-
4. Element of fire: Salt (not green) + spot (not out) = 1, and also 1
5. Element of water: First title + first name = first blasphemy.
6.
L ENWE - Element of wood: Borrow I... - 500 = father of the namesake of the last before the king
And just as Earendur was Arnorian king #10, Romendacil was Gondorian kings #8 and 19.
Not Ringil. The password is connected to the theme.
Oh, #5 kind of doesn't have a cryptic half. It's pretty much straight.
hS