tricentenary /trī-sen-tēˈnə-ri or -tenˈə-ri/

• sombreness
• sombrenesses
• sombrer
• sombrerite
• sombrerites
• sombrero
• sombreros
• sombres
• sombrest
• sombring
• sombrous
• -some
• some
• somebodies
• somebody
• someday
• somedeal
• somedele
• some few
• somegate
• some hope
• somehow
• someone
• someone else
• someone or other