monophonic /mo-nō-fonˈik/

1. Homophonic
2. Monaural, opp to stereophonic

• highlighters
• highlighting
• highlights
• high living
• high-lone
• high-low
• high-lows
• highly
• highly geared
• highly-seasoned
• highly-strung
• highly tried
• high-maintenance
• highman
• High Mass
• highmen
• high-mettled
• high-minded
• high-mindedness
• highmost
• high-muck-a-muck
• high-muck-a-mucks
• high-necked
• highness
• highnesses