gaffe or (rare) gaff /gaf/

A blunder

• preferrer
• preferrers
• preferring
• prefers
• prefigurate
• prefigurated
• prefigurates
• prefigurating
• prefiguration
• prefigurations
• prefigurative
• prefigure
• prefigured
• prefigurement
• prefigurements
• prefigures
• prefiguring
• prefix
• prefixed
• prefixes
• prefixing
• prefixion
• prefixions
• prefixture
• prefixtures