shenanigan /shi-nanˈi-gən/ (informal; usu in pl)

1. Trickery, underhand dealings
2. Mischief, antics

• yearlies
• yearling
• yearlings
• yearlong
• yearly
• yearn
• yearned
• yearner
• yearners
• yearning
• yearningly
• yearnings
• yearns
• year of grace
• year-on-year
• year-round
• years
• year's mind
• years of discretion
• yeas
• yea-sayer
• yea-sayers
• yeast
• yeasted
• yeastier