schwa or shwa /shwä or shvä/ (phonetics)

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

• proof-charges
• proof coin
• proof-correct
• proof-corrected
• proof-correcting
• proof correction
• proof-corrects
• proofed
• proof-house
• proof-houses
• proofing
• proofings
• proofless
• proof-mark
• proof-marks
• proof-puller
• proof-pullers
• proofread
• proofreader
• proofreaders
• proofreading
• proofreadings
• proofreads
• proofs
• proof sheet