The best replacement for survey is questionnaire.

The best alternatives to survey are rated as following:
★★★★★  questionnaire
★★★★  poll
★★★★  experiment
★★★  interview
★★  plat
★★  case study
★  census
★  focus group
★  surveil
★  observation
★  questionnaire difference
★  study
★  survey
  homebuyers report
  boundary survey
  questionnaire differences
  title insurance
  quiz
  focus groups
  bone scan
  establishment survey
  appraisal
  site plan
  mail survey
  sample
  plot plan
  phone survey
  payroll survey
  surveillance
  download
  stake survey
  password

Your alternative for survey is not listed? Suggest!
Speaking about survey, one probably shouldn't forget about code.

Other search terms related to survey and their ratings are:
★★★★★ code
★★★★ password
★★ prizes
You have in mind a companion for survey and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of survey in all years. Click on graph for more.
survey
questionnaire
poll