Mensa /menˈsə/

1. One of the southern constellations, the Table
2. An international organization, founded in the UK in 1946, open to people with a high IQ rating

• ineffablenesses
• ineffably
• ineffaceabilities
• ineffaceability
• ineffaceable
• ineffaceably
• in effect
• ineffective
• ineffectively
• ineffectiveness
• ineffectivenesses
• ineffectual
• ineffectualities
• ineffectuality
• ineffectually
• ineffectualness
• ineffectualnesses
• inefficacies
• inefficacious
• inefficaciously
• inefficacy
• inefficiencies
• inefficiency
• inefficient
• inefficiently