refute rhymes with refuse, when you DISAPPROVE OF something, or if something is false or incorrect..you refute it or disapprove..
Refute can be considered as REFusing something to have trUTh or prove to be false/incorrect
refute-flute means the musical instrument and because you have played the flute during the classroom you are proved to be wrong
refute sounds like again fuse i.e. again false.