Frequency - Word Form
  1 objects
  1 observable
  1 observation
  3 observed
  1 obtain
  1 obvious
  1 occasions
  1 occur
  1 occurrence
  2 occurs
192 of
  1 off
  1 often
 19 on
  2 once
 23 one
  4 only
  1 onset
  1 onwards
  1 operate
  2 operates
  2 operating
  1 opposites
  1 oppressive
 52 or
  2 order
 14 organ
  1 organism
  4 organs
  2 origin
  3 originate
  3 originates
  1 origination
 16 other
  9 others
  2 our
  1 out
  1 outer
  1 outward
  2 owing
  3 own