A mistake as to the meaning of something or a specific point of view; erroneous interpretation or comprehension; misconception. / A disagreement; difference of opinion; dissension; quarrel.

present participle and gerund of misunderstand

plural of misunderstanding

(transitive) To understand incorrectly, while believing one has understood correctly.

Third-person singular simple present indicative form of misunderstand

Capable of being misunderstood.

plural of misunderstander

One who misunderstands.

So as to misunderstand.