"want of understanding, mistake as to the meaning of something," mid-15c., misunderstonding, verbal noun from misunderstand.
When misunderstanding serves others as an advantage, one is helpless to make oneself understood .... [Lionel Trilling, "Art and Fortune," 1948]
Meaning "dissension, a disagreement, a quarrel" is recorded by 1640s.
there must be some misunderstanding--I don't have a sister
mistress
mistrial
mistrust
misty
misunderstand
misunderstanding
misunderstood
misuse
MIT
Mitchell
mite