Frequency - Word Form
  2 o
  1 observe
  1 observed
 61 of
  1 off
  1 often
  1 oh
  1 oil
  6 old
  1 olive
 26 on
  7 one
  1 only
  1 onto
  1 open
  1 opens
  4 other
  2 our
  7 out
  1 outside
  4 over
  2 owl
  1 own
  1 ox
  1 oxen