But overthrew
na`ar (naw-ar')
to tumble about -- shake (off, out, self), overthrow, toss up and down.
Pharaoh
Par`oh (par-o')
Paroh, a general title of Egyptian kings -- Pharaoh.
and his host
chayil (khah'-yil)
probably a force, whether of men, means or other resources; an army, wealth, virtue, valor, strength
in the Red
cuwph (soof)
a reed, especially the papyrus -- flag, Red (sea), weed.
sea
yam (yawm)
from an unused root meaning to roar -- sea (-faring man, (-shore), south, west (-ern, side, -ward).
for his mercy
checed (kheh'-sed)
kindness; by implication (towards God) piety: rarely (by opposition) reproof, or (subject.) beauty
endureth for ever
`owlam (o-lawm')
concealed, i.e. the vanishing point; generally, time out of mind (past or future), i.e. (practically) eternity; frequentatively, adverbial (especially with prepositional prefix) always