Paroxysm :: Paroxysm (n.) The fit, attack, or exacerbation, of a disease that occurs at intervals, or has decided remissions or intermissions..
Paroxysm :: Paroxysm (n.) Any sudden and violent emotion; spasmodic passion or action; a convulsion; a fit.
Paroxysmal :: Paroxysmal (a.) Of the nature of a paroxysm; characterized or accompanied by paroxysms; as, a paroxysmal pain; paroxysmal temper..
Paroxytone :: Paroxytone (a.) A word having an acute accent on the penultimate syllable.
Proparoxytone :: Proparoxytone (n.) A word which has the acute accent on the antepenult.