shkabah (Hebrew #7902)
a lying down (of dew, or for the sexual act)
KJV usage: X carnally, copulation, X lay, seed.
Pronounce: shek-aw-baw'
zera` (Hebrew #2233)
seed; figuratively, fruit, plant, sowing-time, posterity
KJV usage: X carnally, child, fruitful, seed(-time), sowing- time.
Pronounce: zeh'-rah