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

• hydro-
• hydro-aeroplane
• hydro-aeroplanes
• hydro-airplane
• hydro-airplanes
• hydrobiological
• hydrobiologies
• hydrobiologist
• hydrobiologists
• hydrobiology
• hydrobromic
• hydrocarbon
• hydrocarbons
• hydrocele
• hydroceles
• hydrocellulose
• hydrocelluloses
• hydrocephalic
• hydrocephalous
• hydrocephalus
• hydrocephaluses
• Hydrocharis
• Hydrocharitaceae
• hydrochloric
• hydrochloride