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

• APT
• aptamer
• apted
• apter
• apteral
• apteria
• apterism
• apterisms
• apterium
• apterous
• apterygial
• Apterygota
• apteryx
• apteryxes
• aptest
• apting
• aptitude
• aptitudes
• aptly
• aptness
• aptnesses
• aptote
• aptotes
• aptotic
• apts