gaffe or (rare) gaff /gaf/

A blunder

• confabulators
• confabulatory
• confarreate
• confarreation
• confarreations
• confect
• confected
• confecting
• confection
• confectionaries
• confectionary
• confectioner
• confectioneries
• confectioners
• confectioner's sugar
• confectionery
• confections
• confects
• confederacies
• confederacy
• confederal
• confederate
• confederated
• confederates
• confederating