Frequency - Word Form
   1 ucaf
   1 uddaul
   1 ugly
   4 unable
   1 unaccustomed
   1 unaffected
   1 unarmed
   1 unattainable
   2 unbroken
   1 uncertainty
   1 unchain
   1 unclean
   1 uncomfortable
   2 uncommon
   8 unconscious
   4 unconsciously
   1 uncut
   1 undecided
  39 under
   1 undergoes
   9 understand
   9 understood
   1 undertaking
   1 undiminished
   1 undoubtedly
   1 undulations
   2 uneasy
   1 unequal
   1 unequally
   1 unexpectedly
   2 unfavourable
   1 unfolded
   1 unforeseen
   6 unfortunate
   2 unfortunately
   1 unfulfilled
   1 unfurled
   2 unhappily
   1 unharmed
   1 unheard-of
   1 uniform
   2 uninhabited
   1 uninterrupted
   7 union
  12 united
   1 unites
   2 unknown
   6 unless
   1 unlike
   1 unlikely
   1 unlimited
   2 unloading
   1 unloosed
   1 unluckily
   1 unmask
   1 unmistakable
   1 unmoved
   1 unnaturally
   1 unnecessary
   1 unobserved
   1 unoccupied
   1 unpardonable
   2 unperceived
   2 unpleasant
   1 unpoetically
   2 unpropitious
   1 unprotected
   1 unreasonable
   1 unreliable
   1 unrest
   1 unretarded
   2 unsafe
   1 unscrewing
   1 unspread
  25 until
   4 unusual
   1 unvarying
   1 unwearying
   1 unwieldly
   1 unwilling
   1 unwonted
   1 unwrinkled
 115 up
 118 upon
   3 upper
   2 upright
   1 uranus
   1 urge
   5 urged
  30 us
  10 use
   6 used
   1 useful
  12 useless
   2 uselessness
   1 uses
   5 usual
   4 usually
   6 utah
   6 utter
   6 uttered
   3 uttering