cuwc (Hebrew #5483)
from an unused root meaning to skip (properly, for joy); a horse (as leaping); also a swallow (from its rapid flight)
KJV usage: crane, horse((-back, -hoof)). Compare 6571.
Pronounce: soos
Origin: or cuc {soos}
rakab (Hebrew #7392)
to ride (on an animal or in a vehicle); causatively, to place upon (for riding or generally), to despatch
KJV usage: bring (on (horse-)back), carry, get (oneself) up, on (horse-)back, put, (cause to, make to) ride (in a chariot, on, -r), set.
Pronounce: raw-kab'
Origin: a primitive root