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

• bullions
• bullish
• bullishly
• bullishness
• bullishnesses
• bull market
• bull markets
• bull-mastiff
• bull-mastiffs
• bull-necked
• bullnose
• bull-nosed
• bullnoses
• bullock
• bullocked
• bullockies
• bullocking
• bullocks
• bullock's-heart
• bullocky
• bull-of-the-bog
• bull pen
• bull pens
• bull point
• bull points