schwa or shwa /shwä or shvä/ (phonetics)

1. An indistinct vowel sound
2. A neutral vowel (ə). Cf sheva

• underproduces
• underproducing
• underproduction
• under proof
• underproof
• underprop
• underpropped
• underpropping
• underprops
• under protest
• underquote
• underquoted
• underquotes
• underquoting
• underran
• under-rang
• underrate
• underrated
• underrates
• underrating
• under-report
• under-reported
• under-reporting
• under-reports
• under-representation