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

• achievement ages
• achievement quotient
• achievement quotients
• achievements
• achiever
• achievers
• achieves
• achieving
• achillea
• Achillean
• achilleas
• Achilles' heel
• Achilles' tendon
• achimenes
• aching
• achingly
• achings
• Achitophel
• achkan
• achkans
• achlamydeous
• achondroplasia
• achondroplasias
• achondroplastic
• achromat