misknowledge

mis·know

 (mĭs-nō′)
tr.v. mis·knew (-no͞o′, -nyo͞o′), mis·known (-nōn′), mis·know·ing, mis·knows
To misunderstand.

mis·knowl′edge (-nŏl′ĭj) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

misknowledge

(ˌmɪsˈnɒlɪdʒ)
n
a misunderstanding or misconceptiona failure to understand or acknowledge (something or someone)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014