What's the difference between cathartic and cathartin?

Cathartic

Definition:

(a.) Alt. of Catharical
(n.) A medicine that promotes alvine discharges; a purge; a purgative of moderate activity.

Example Sentences:

(1) The majority of respondents (104 or 51 percent) used cathartics and enemas as the primary method of mechanical bowel cleansing.
(2) Decreases in total activity were found for both cathartics in the antrum and ileum.
(3) These results indicate the cathartic effect of lactulose in smaller animals such as rats as well as humans and suggest the possible application of full doses of lactulose to flush the luminal contents from the small intestine.
(4) A study was done in volunteers to determine the rapidity of gastrointestinal transit when activated charcoal was administered with various cathartics.
(5) Naturally-occurring agonists at this receptor may include members of the cathartic class of drugs such as colocynth, chrysarobin, etc.
(6) Although women and hysterics may cry more easily in daily life, obsessives are apparently more able to maintain focus on unhappy experiences and are therefore able to express more emotion in cathartic therapy.
(7) Not everyone’s experience online is cathartic and unfettered.
(8) Attacking Trump as a douchebag might be cathartic, but it’s unlikely to be effective.
(9) The cathartic moment, in which the king realises he's OK and lovable just as he is, was wonderful for the film-makers to discover, and has been wonderful for worldwide audiences ever since (and the king doesn't die… he merely "croaks").
(10) It is impossible to determine whether OHSA had a specific cathartic action from this study since the data implicated total fatty acids to the same extent.
(11) Papaverine inhibited little the cathartic effect of all three spasmogens, while morphine had a potent and nonspecific inhibitory effect on the cathartic action of all three spasmogens.
(12) To our knowledge, cathartic-induced complete rectal prolapse has not been reported previously in the current medical literature, despite the thousands of bowel preparations performed annually.
(13) Accompanied by prolonged silences, it makes the recipients go weak at the knees and blurt out bumbling apologies, as we saw with Nixon's cathartic admission – and then, of course, forgiveness.
(14) Feedback that is delivered cathartically will serve no one.
(15) Had American television viewers been perched instead on the edge of a therapist’s couch or the end of a polished zinc bar at 2am, it would still have qualified as an exceptionally candid and cathartic exchange for anyone to witness.
(16) The anti-inflammatory salicylates, nonspecific antidiarrhoeal agents, laxatives and cathartics will be dealt with in Part II.
(17) Unlike the highly hypertonic Gastrografin, Amipaque causes less changes in hematocrit, and has only a very mild cathartic effect.
(18) These results demonstrate a very high frequency of inadequate barium enema examinations in the very old and suggest a need for improved methods of bowel preparation in this patient population, especially in those who are long-term users of laxatives and cathartics.
(19) Sixty patients were prospectively randomized to receive a 1-day preparation with sulfate free-electrolyte lavage solution or a 3-day preparation using a clear liquid diet, cathartics, and enemas.
(20) Although lactulose, a widely used cathartic, is known to increase stool frequency, details of its site of action in the colon are obscure.