Insuavity :: Insuavity (n.) Want of suavity; unpleasantness.
Suave :: Suasory (a.) Tending to persuade; suasive.
Suavified :: Suave (a.) Sweet; pleasant; delightful; gracious or agreeable in manner; bland.
Suavify :: Suavifying (p. pr. & vb. n.) of Suavif.
Suaviloquy :: Suaviloquent (a.) Sweetly speaking; using agreeable speech.