"Coniption?" Of all the online dictionaries, you choose to back up your defective spelling with a quote from the "reputable" Urban Dictionary, whose main priority is not to get spellings right. Bet you can't find your spelling anywhere else!
If you Google 'coniption', and resist Google's attempt to get you to Google 'conniption'instead you'll get 117,000 hits. So your line Bet you can't find your spelling anywhere else! is a little out.
How large a wager were you suggesting?