A malapropism is the incorrect use of a word in place of a word with a similar sound, either unintentionally or for comedic effect, resulting in a nonsensical, often humorous utterance. An example is
Louisa Lane Drew as Mrs. Malaprop in an 1895 production of The Rivals
Bushisms are unconventional statements, phrases, pronunciations, malapropisms, and semantic or linguistic errors made in the public speaking of George W. Bush, the 43rd president of the United States.
Malapropism
…devices. They also occur as a kind of speech error in ordinary speech. Malapropisms of a number of notable persons have individual names, such as "Bushism", "Wałęsism", etc. Other notable examples quoted in the media are: Former Australian prime minister Tony Abbott once claimed that no one "is the…
George W. Bush addressing the nation from the East Room, September 2008