Frequency - Word Form
  1 oasis
  4 object
  1 objective
  1 objectively
  2 objects
  1 obliged
  1 obliging
  1 observation
  1 observer
  1 observing
  2 obstacles
  1 obtained
  1 occasions
  1 occurrence
  1 occurs
  1 ocean
  1 october
564 of
  1 off
  2 offend
  5 offer
  2 offered
  3 offers
  3 office
  8 often
  1 old
 63 on
  3 once
 33 one
  1 oneself
 17 only
  3 open
  1 open-minded
  1 opened
  1 operate
  2 opinion
  1 opportune
  1 opportunity
  1 opposed
  1 opposite
 75 or
  1 ordained
  7 order
  1 ordering
  5 ordinary
  1 organic
  1 organism
  1 organize
  1 orientation
  3 origin
  2 original
  1 origins
 20 other
  5 others
  1 otherwise
  9 ought
 27 our
  1 ours
  1 ourselves
  9 out
  1 outline
  1 outlined
  1 outlook
  1 outside
  2 outstanding
  6 over
  1 over-stepping
  2 overcome
  1 overthrow
  1 owe
 22 own