schwa or shwa /shwä or shvä/ (phonetics)

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

• high-energy physics
• higher
• higher criticism
• highered
• higher education
• higher educations
• Higher grade
• highering
• higher mathematics
• highermost
• highers
• higher-up
• higher-ups
• highest
• high explosive
• high-explosive
• high explosives
• highfalutin
• highfaluting
• high fashion
• high fashions
• high feather
• high-fed
• high-feeding
• high fidelity