1. An acronym or abbreviation so old or familiar that few remember what its letters stand for, such as radar or BASIC (anachronistic + acronym)

Encyclopedia: Anacronym

• competence
• competence hearing
• competency
• competent
• competently
• competition
• competitive
• competitively
• competitiveness
• competitor
• competitory
• compilation
• compile
• compiler
• compiling
• compiling program
• complacence
• complacency
• complacent
• complacently
• complain
• complainant
• complainer
• complaining
• complainingly