malapropism /malˈə-pro-pi-zm/

1. The misapplication of words without mispronunciation, from Mrs Malaprop in Sheridan's play, The Rivals, who uses words malapropos
2. A word so used

• tonishnesses
• tonite
• tonites
• tonk
• tonka-bean
• tonka-beans
• tonked
• tonker
• tonkers
• tonking
• tonks
• tonlet
• tonlets
• tonnag
• tonnage
• tonnages
• tonnags
• tonne
• tonneau
• tonneau cover
• tonneaus
• tonneaux
• tonnell
• -tonner
• tonnes