dagan (Hebrew #1715)
properly, increase, i.e. grain
KJV usage: corn ((floor)), wheat.
Pronounce: daw-gawn'
goren (Hebrew #1637)
a threshing- floor (as made even); by analogy, any open area
KJV usage: (barn, corn, threshing- )floor, (threshing-, void) place.
Pronounce: go'-ren
Origin: from an unused root meaning to smooth