Frequency - Word Form
  1 observations
  2 observed
  1 observing
  1 obviously
  1 occasions
  1 odours
106 of
  3 off
  1 offended
  1 office
  3 often
  4 oh
  1 old
 32 on
  5 once
 15 one
  1 ones
  8 only
  5 open
  2 opened
  1 operated
  1 opposite
  8 or
  1 order
  2 others
 13 out
  3 outside
 11 over
  1 overwhelmed