The word "mythconception" is a combination of two words - myth and misconception. It refers to a false belief or idea that is widely held as true, despite being inaccurate or unsupported by evidence. Synonyms for mythconception include fallacy, false belief, misconception, misbelief, error, mistaken belief, myth, and delusion. Each of these words carries a slightly different connotation, but all refer to an idea or belief that is not based on reality. It's important to be aware of these synonyms and to strive to avoid mythconceptions in order to gain a more accurate understanding of the world around us.