anchor.diff:  twist, bent
   type,category
   types,categories
  -ugly, 
  +ugly, not attractive
   ultimately,
   umbrella, rain
  -unable, 
  +unable, cannot do
   uncertain, not sure
   uncle, father's brother
  -unconscious, 
  -under, 
  -underground, 
  -underline, 
  -underlying, 
  -understand, 
  -understanding, 
  -underwear, 
  -undoubtedly, 
  -uneasy, 
  -unexpected, 
  -unfortunate, 
  -unfortunately, 
  +unconscious, not aware
  +under, beneath
  +underground, beneath
  +understand, comprehend
  +understanding, comprehension
  +underwear, private clothing
  +undoubtedly, absolutley
  +uneasy, not comfortable
  +unexpected, surprise
  +unfortunate, pity
   unhappy, sad
   uniform, clothes
  -union, 
  -unions, 
  -unit, 
  -united, 
  -universal, 
  +union, joining
  +unions, joint
  +unit, item
  +united, combined
  +universal, global
   universities, study
   university, study
  -unknown,
  -unlike, 
  -unlikely, 
  -until, 
  +unknown, anxiety
  +unlike, not likely
  +until, waiting
   upgraded, new
  -upon, 
   upstairs, double story
  -upward, 
  -urban, 
  +upward, height
  +urban, city life
   urethane, 
  -urge, 
  -urged, 
  +urge, force
  +urged, forcing
   urgent, quick
  -used, 
  -using, 
  -usually, 
  -utility, 
  +used, make use of
  +utility, make use of
   utopia, perfect place
   utopian, perfect person
  -utterly, 
   vacation, holiday
   vacuum, cleaner
  -vague, 
  -valid, 
  -validated, 
  -valley, 
  -valuable, 
  -value, 
  +vague, not clear
  +valid, true
  +validated, affirm
  +valuable, precious
  +value,
   values,
   variable, 
   variables, 
  
positive.code: qualified, trained
  qualities, characteristics
  quality,  standard of good
  quantity, 
  quarrel, 
  quarter,  maths
  quarters, 
  quartz,  type of rock
  queen,  royalty
  question,  asking
  questioned, 
  questioning, 
  questionnaire, 
  questions,  asking
  quickly,  rushingly
  quiet,  being silent
  quietly, 
  quill,  old writing utencil
  quilt,  custom blanket
  quiney, 
  quiver,  shake
  quoted, 
  rabbit,  animal
  rabbits,  animal
  race,  type of heritage
  races, 
  rachel, 
  racial, 
  racing, 
  radar, 
  radical, 
  radio,  AM
  rail,  trains
  railway,  trains
  
negative.code: troubles, worry
  troubleshooting, Solve
  trousers, pants
  truck, vehicle
  trucks,vehicles
  true, fact
  trust, faith
  trustees, persons of trust
  truth, fact
  trying, attempt
  tsunami, big wave
  tubes, 
  turkey, thanksgiving bird
  turn, wheels
  turned, wheels
  turns, wheel
  