incorrectness
misallocate
bafflement
maleducation
Pecksniffery
misinterpretation
mystification
puzzlement
bewilderment
obfuscation
off the mark
befuddlement
noninstruction
pedantry
incomprehensibility
bemusement
wrongfulness
unpropriety
wrongmindedness
misauthorization
duplicitous
misrecitation
abusage
orthopedagogy
suaku
misarticulation
misstatement
system error
unteach
lapsus auris
indocile
misconceivedness
misclass
misenlightened
misdistinguish
jiggery-pokery
misapprehend
know better
erroneousness
play fast and loose
misinformedness
perplexity
ill-informed
inaccurateness
unenlightenment
ungrammatical
error/mistake distinction