treacher or treachour /trechˈər/

1. A deceiver by trickery
2. A betrayer
3. A traitor

• ultraviolet stars
• ultra vires
• ultra-virtuous
• ultroneous
• ultroneously
• ultroneousness
• ultroneousnesses
• ululant
• ululate
• ululated
• ululates
• ululating
• ululation
• ululations
• ulva
• ulvas
• ulyie
• ulzie
• um
• umami
• umamis
• um and ah
• Umayyad
• umbel
• umbellar