quesstionnaire
Common misspellings of the word questionnaire are:
How do you spell questionnaire?. It is not quesstionaire or quesstionnaire or questionaire or even questtionnaire for that matter!
n. A form containing a set of questions, especially one addressed to a statistically significant number of subjects as a way of gathering information for a survey.
[French, from questionner, to ask, from Old French, from question, legal inquiry. See question.]