winnow (n.)
- air
- bolt
- catalog
- class
- clear
- colander
- comb
- cordon
- cradle
- cribble
- cull
- demark
- divide
- excerpt
- extract
- factor
- fan
- filter
- filtrate
- gauge
- gin
- group
- leach
- percolate
- percolator
- pick
- purifier
- quarantine
- refiner
- refinery
- riddle
- rocker
- ruffle
- screen
- segregate
- separate
- sieve
- sifter
- sort
- strain
- strainer
- sublimate
- thrash
- try
- wind
winnow (v.)
- aerate
- air
- air-condition
- air-cool
- analyze
- appraise
- assess
- bolt
- catalog
- categorize
- clarify
- class
- classify
- clear
- comb
- contradistinguish
- cradle
- cribble
- cull
- demarcate
- demark
- differentiate
- discriminate
- distill
- distinguish
- divide
- edulcorate
- elute
- evaluate
- excerpt
- extract
- factor
- fan
- filter
- filtrate
- freshen
- gauge
- ghettoize
- gin
- glean
- group
- identify
- insulate
- isolate
- leach
- oxygenate
- oxygenize
- percolate
- pick
- purify
- quarantine
- rectify
- refine
- refresh
- riddle
- ruffle
- screen
- seclude
- segregate
- select
- separate
- sever
- severalize
- sieve
- sift
- sort
- spiritualize
- strain
- subdivide
- sublimate
- sublime
- subtilize
- thrash
- thresh
- try
- ventilate
- weigh
- wind
