ascend (Hebrew #5266)

Psalm
139:8   If I ascend up
nacaq (Hebrew #5266)
to go up
KJV usage: ascend.
Pronounce: naw-sak'
Origin: a primitive root
into heaven
shamayim (Hebrew #8064)
from an unused root meaning to be lofty; the sky (as aloft; the dual perhaps alluding to the visible arch in which the clouds move, as well as to the higher ether where the celestial bodies revolve)
KJV usage: air, X astrologer, heaven(-s).
Pronounce: shaw-mah'-yim
Origin: dual of an unused singular shameh {shaw-meh'}
, thou art there: if I make my bed
yatsa` (Hebrew #3331)
to strew as a surface
KJV usage: make (one's) bed, X lie, spread.
Pronounce: yaw-tsah'
Origin: a primitive root
in hell
sh'owl (Hebrew #7585)
from 7592; Hades or the world of the dead (as if a subterranean retreat), including its accessories and inmates
KJV usage: grave, hell, pit.
Pronounce: sheh-ole'
Origin: or shol {sheh-ole'}
, behold, thou art there.