schwa or shwa /shwä or shvä/ (phonetics)

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

• Callitriche
• call-loan
• call-loans
• call-money
• call names
• call-note
• call-notes
• call off
• call of nature
• call on
• callop
• callops
• call option
• call options
• callosities
• callosity
• callous
• callously
• callousness
• callousnesses
• call out
• call-out
• call over
• call over the coals
• callow