ruck·us 
(rŭkəs)
(rŭkəs)n.
A disturbance; a commotion: "They had shut the dogs into the cowshed to keep them from causing a ruckus" (Molly Gloss).
[Perhaps blend of RUCTION and RUMPUS.]
- double-header
- doubleheader
- double helix
- double-hung window
- double indemnity
- double jeopardy
- double-jointed
- double knit
- double-knit
- double negative
- doubleness
- double-park
- double-parker
- double play
- double pneumonia
- double possessive
- double-quick
- doubler
- double reed
- double-reed
- double refraction
- double replacement
- double reverse
- double rhyme
- double salt