misundertake 

Commit to an action causing serious errors or demise that possibly cannot be undone; particularly used in humour with a silly comment that replaces the word “misunderstand” to confuse others with an inference of making arrangements to bury, cremate, or otherwise dispose of someone before they are actually dead; i.e., a witty play on words relating to undertaker; a rare and perhaps misundertaken antonym of undertake.

“Please don’t misundertake me.” (Used by Petter Sellers in a comedy movie... long before he died, of course!)

misundertake by Psychological Consultant December 29, 2017

Misundertelephobia 

The irrational fear of being misunderstood when speaking over the phone as opposed to in person. Usually coincides with the inability to display hand movements and gestures, leading inevitably to misinterpretation.

I was speaking to Sam the other day, and I said something which he took completely the wrong way. If only we'd been speaking in person, damnit! Total misundertelephobia!

Misundertelephobia by Kruggly November 22, 2010

Misundercated 

To create a misunderstanding when miscommunicating

We misundercated the team at our last meeting, lets make sure we understand what we are trying to say so they understand.

Misundercated by Kiwiism July 15, 2019