In ancient Egypt, the Sphinx is a male statue of a lion with the head of a human, sometimes with wings. Most sphinxes however represent a king in his appearance as the sun god.
An anacronym is an acronym or an abbreviation so old or familiar that no one remembers what its letters stand for, such as BASIC or COBOL . By the way, an acronym is not just any abbreviation. It's a word that is short for other words, usually using their initial letters.
A hyperonym is a word that has a wider range of meaning than the word it wishes to replace. A hyponym has a narrower range of meaning than the word it wishes to replace. Literal translation of the French word belle-mere' amply illustrates this problem. In French, the word can mean either mother-in-law' or stepmother'. The French word, therefore, has a greater range of meaning and any of the English words a narrower range of meaning.