The best replacement for retention is detention.

The best alternatives to retention are rated as following:
★★★★★  detention
★★★★  deductible
★★★★  detention pond
★★★★  social promotion
★★  promotion
★★  persistence
★★  turnover
★★  fat
★  acquisition
★  customer acquisition
★  retainment
★  attrition
★  inversion
★  detention ponds
★  retainage
★  burn in
★  incontinence
★  weight gain
  recruitment
  urinary incontinence
  churn
  business attraction
  risk transfer

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

Other search terms related to retention and their ratings are:
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★★★★ liver disease
★★★ steroids
★★ copd
★ bph
You have in mind a companion for retention and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of retention in all years. Click on graph for more.
retention
detention
deductible