Frequency - Word Form
  2 observations
  3 observe
  1 observed
  2 obvious
  2 occasion
  1 occasions
  1 occupy
 14 occur
  1 occurred
  1 occurring
  1 occurs
186 of
  5 off
  1 old
  1 older
  1 omissions
 42 on
  1 once
 33 one
  3 only
  2 open
  1 operate
  1 operation
  3 opposite
  2 oppressed
 81 or
  1 order
  1 origin
  1 originating
 27 other
  5 others
  2 otherwise
  7 ought
  3 out
  2 outwardly
  1 outwards
  3 over
  1 owing