anchor.diff:  advertising, marketing
   advice, help
   advised, helped
  -advisory,
  +advisory, to help
   aesthetic, plastic
   affair, other
   affect, to feel
  
positive.code: twist, bent
  type,category
  types,categories
  ugly, 
  ultimately,
  umbrella, rain
  unable, 
  uncertain, not sure
  uncle, father's brother
  unconscious, 
  under, 
  underground, 
  underline, 
  underlying, 
  understand, 
  understanding, 
  underwear, 
  undoubtedly, 
  uneasy, 
  unexpected, 
  unfortunate, 
  unfortunately, 
  unhappy, sad
  uniform, clothes
  union, 
  unions, 
  unit, 
  united, 
  universal, 
  universities, study
  university, study
  unknown,
  unlike, 
  unlikely, 
  until, 
  upgraded, new
  upon, 
  upstairs, double story
  upward, 
  urban, 
  urethane, 
  urge, 
  urged, 
  urgent, quick
  used, 
  using, 
  usually, 
  utility, 
  utopia, perfect place
  utopian, perfect person
  utterly, 
  vacation, holiday
  vacuum, cleaner
  vague, 
  valid, 
  validated, 
  valley, 
  valuable, 
  value, 
  values,
  variable, 
  variables, 
  
negative.code: qualified, trained
  qualities, characteristics
  quality,  standard of good
  quantity, volume
  quarrel, disagreement
  quarter,  maths
  quarters, fractions
  quartz,  type of rock
  queen,  royalty
  question,  asking
  questioned, inquire
  questioning, inquiring
  questionnaire, ask sheet
  questions,  asking
  quickly,  rushingly
  quiet,  being silent
  quietly, whisper
  quill,  old writing utencil
  quilt,  custom blanket
  quiver,  shake
  quoted, direct speech
  rabbit,  animal
  rabbits,  animal
  race,  type of heritage
  races, compete
  racial, skin colour
  racing,cars
  radar, locate
  radical, extreme
  radio,  AM
  rail,  trains
  railway,  trains
  