What's the difference between malapropism and malapropos?

Malapropism

Definition:

• (n.) A grotesque misuse of a word; a word so used.

Example Sentences:

• (1) My mum, Olwen, was a bright and talkative woman who loved a gossip and a story, and was given slightly to malapropisms.
• (2) Her Mrs Malaprop in Belgrade Theatre's touring production of Sheridan's The Rivals was hailed as "the play's vociferous focal point".
• (3) In some patients, the combinative ambiguity or malapropism expresses the fear of reprisal through the transformation into a self-inflicted injury.
• (4) The point is malapropisms and mispronunciations are fairly common.

Malapropos

Definition:

• (a. & adv.) Unseasonable or unseasonably; unsuitable or unsuitably.

Example Sentences: