butanoic acid/byoohtəʹnoh·ik/ noun

• waterway
• waterweed
• waterwheel
• water wings
• water witch
• waterworks
• waterworn
• watery
• watt
• wattage
• watt-hour
• wattle
• wattle and daub
• wattmeter
• waul
• WAVE
• Wave
• wave
• wave band
• wave equation
• waveform
• wave front
• wave function
• waveguide
• wavelength