Frequency - Word Form
  1 ukraine
  1 ukrainian
  1 unable
  1 unaccustomed
  2 under
  6 understand
  1 understandable
  4 understanding
  1 understandings
  1 understands
  5 understood
  1 undesirable
  1 undoubtedly
  2 unfortunately
  1 unhappiness
  1 unhappy
  2 union
  1 unity
  1 universal
  2 university
  1 unknown
  1 unnoticed
  1 unpleasantness
  1 unquenchable
  1 unripened
  3 until
  1 unwilling
  1 unwind
  9 up
  1 upon
  1 urgent
 15 us
  1 use
  4 used
  5 useful
  2 usually