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

• vacationists
• vacationless
• vacations
• vacatur
• vacaturs
• vaccinal
• vaccinate
• vaccinated
• vaccinates
• vaccinating
• vaccination
• vaccinations
• vaccinator
• vaccinators
• vaccinatory
• vaccine
• vaccines
• vaccinia
• Vacciniaceae
• vaccinial
• vaccinias
• Vaccinioideae
• vaccinium
• vacciniums
• vacherin