Frequency - Word Form
  1 unaffected
  2 unaware
  1 uncohesive
  2 under
  3 undergo
  1 underlying
  1 underneath
  1 understand
  1 undertaken
  2 undeveloped
  1 undifferentiated
  2 unequal
  1 unhealthy
  1 unified
  1 uniformly
  1 unit
  1 unitemporal
  4 unity
 11 unless
  1 unlike
  1 unlikely
  1 unmixed
  1 unnoticeable
  2 unnoticed
  1 unperceived
  2 unpleasant
  1 unpleasantness
  1 unsound
  1 untenable
  1 until
  1 unwholesome
  6 up
  8 upon
  1 upper
  1 urge
  1 urging
 10 us
  1 use
  2 used
  3 usually