The best replacement for mental retardation is autism.

The best alternatives to mental retardation are rated as following:
★★★★★  autism
★★★  intellectual disability
★★★  mental illness
★★  learning disability
★  down syndrome
★  developmental delay
★  developmental disabilities
★  developmental disability
★  learning disabilities
  cognitive impairment
  borderline intellectual functioning
  developmentally delayed
  intellectual disabilities
  brain damage
  learning disorder
  pdd
  developmental delays
  learning disabled
  downs syndrome

Your alternative for mental retardation is not listed? Suggest!
Speaking about mental retardation, one probably shouldn't forget about psychosis.

Other search terms related to mental retardation and their ratings are:
★★★★★ psychosis
★★★★ schizophrenia
★★★★ autism
★★★ cerebral palsy
★★ down syndrome
★ microcephaly
muscular dystrophy
You have in mind a companion for mental retardation and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of mental retardation in all years. Click on graph for more.
mental retardation
autism
intellectual disability