Crossword puzzles flex one very specific piece of cognition--the ability to find words, which is also known as fluency. Fluency is a type of process based in the speech and language centers of the brain. So doing crosswords might help you get better at word finding, but that's the sum total of their positive benefits to your brain.
misnomer. n. 1. an incorrect or unsuitable name or term for a person or thing. 2. the act of referring to a person by the wrong name.
In linguistics , a homonym is , in the strict sense , one of a group of words that share the same spelling and the same pronunciation but have different meanings. [ 1 ] Thus homonyms are simultaneously homographs ( words that share the same spelling , irrespective of their pronunciation ) and homophones ( words that share the same pronunciation , ...