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

1. Trickery, underhand dealings
2. Mischief, antics

• session-house
• session-houses
• session musician
• sessions
• session singer
• session singers
• sesspool
• sesterce
• sesterces
• sestertia
• sestertium
• sestet
• sestets
• sestett
• sestette
• sestettes
• sestetto
• sestettos
• sestetts
• sestina
• sestinas
• sestine
• sestines
• seston
• sestons