Frequency - Word Form
  8 unable
  1 unaccompanied
  1 unaccountable
  1 unassailable
  3 unaware
  1 undefended
  6 under
  1 undergrowth
  2 understand
  1 understands
  1 understood
  1 undisciplined
  1 undismayed
  1 unduly
  1 unending
  1 unequal
  1 unexpected
  1 unfathomable
  1 unguarded
  1 unhappy
  4 united
  1 unity
  9 unless
  1 unoccupied
  3 unprepared
  1 unreadiness
  1 unshaken
  1 untaken
  6 until
  3 unto
  1 unversed
 20 up
  1 up-country
  1 up-stream
  1 uphill
  4 upon
  1 upright
  6 us
 13 use
  3 used
  1 useful
  1 usefully
  2 useless
  3 using
  1 usual
  2 utilize
  1 utilizes
  1 utmost
  1 utter
  1 uttermost