Thou rulest
mashal (maw-shal')
to rule -- (have, make to have) dominion, governor, indeed, reign, (bear, cause to, have) rule(-ing, -r), have power.
the raging
ge'uwth (gay-ooth')
excellent things, lifting up, majesty, pride, proudly, raging.
of the sea
yam (yawm)
from an unused root meaning to roar -- sea (-faring man, (-shore), south, west (-ern, side, -ward).
when the waves
gal (gal)
something rolled, i.e. a heap of stone or dung (plural ruins), by analogy, a spring of water (plural waves) -- billow, heap, spring, wave.
thereof arise
sow' (so)
a rising -- arise.
thou stillest
shabach (shaw-bakh')
to address in a loud tone, i.e. (specifically) loud; figuratively, to pacify (as if by words) -- commend, glory, keep in, praise, still, triumph.
them