magnum opus /magˈnəm ōˈpəs, magˈnŭm opˈŭs/ (Latin)

1. A great work, esp of literature or learning
2. A writer's greatest achievement or the culmination of his or her efforts

• the roaring game
• the robe
• the Rock
• the Rockies
• theroid
• therologies
• therology
• Theromorpha
• the rope
• theropod
• Theropoda
• theropods
• the Royals
• Thersitic
• Thersitical
• the Rump Parliament
• the same
• the same old story
• thesauri
• thesaurus
• thesauruses
• the schoolmaster is abroad
• the science
• the Scrubs
• these