See more synonyms on Thesaurus.com. 2. fealty, devotion, constancy. Loyalty, allegiance, fidelity all imply a sense of duty or of devoted attachment to something or someone. Loyalty connotes sentiment and the feeling of devotion that one holds for one's country, creed, family, friends, etc. Allegiance applies particularly to a citizen's duty to his or her country, or, by extension, one's obligation to support a party, cause, leader, etc.
A misnomer is a word or term that suggests a meaning that is known to be wrong.
Any non-conventional use of real words, or made up words that aren't recognized by every facet of society. Slang is often misinterpreted by people as the collection of phrases on urbandictionary.com.