polacca /po-lakˈə/

1. A three-masted Mediterranean vessel, with fore- and mainmasts each in one piece (also polacre /po-läˈkər/)
2. A polonaise, or composition in the manner of a polonaise

• backward
• backward and forward
• backwardation
• backwardations
• backward-looking
• backwardly
• backwardness
• backwardnesses
• backwards
• backwards-compatible
• backwash
• backwashed
• backwashes
• backwashing
• back water
• backwater
• backwaters
• backwoods
• backwoodsman
• backwoodsmen
• backword
• backwords
• backwork
• backworker
• backworkers