Common words:
* mis·take
* mis·hap
* mis·chief
* mis·place
* mis·sing
* mis·treat
* mis·trust
Less common words:
* mis·begot
* mis·con·ceive
* mis·con·duct
* mis·de·mean
* mis·in·form
* mis·in·ter·pret
* mis·repre·sent
* mis·un·der·stand
Let me know if you'd like more examples or a specific type of word, and I'll do my best to help!