Common Words:
* Polygamy: Marriage to more than one spouse at a time.
* Polytechnic: Relating to a technical college offering a wide range of subjects.
* Polygraph: A lie detector.
* Polygon: A closed figure with three or more sides.
* Polyphemus: In Greek mythology, a giant with one eye.
* Polysaccharide: A complex carbohydrate made up of many sugar molecules.
* Polystyrene: A type of plastic.
* Polytheism: The belief in more than one god.
* Polyunsaturated: Containing more than one double bond per molecule.
* Polyester: A synthetic fabric.
* Polymer: A large molecule composed of many repeating subunits.
* Polyp: A small growth in the body.
Less Common Words:
* Polyandry: The practice of having more than one husband.
* Polyglot: A person who knows and is able to use several languages.
* Polysyndeton: The use of many conjunctions in a sentence, often for rhetorical effect.
* Polycephaly: The condition of having more than one head.
* Polydactyly: The condition of having more than the usual number of fingers or toes.
* Polymath: A person with a wide range of knowledge and expertise.
* Polygenesis: The theory that different races of humans originated from different ancestors.
* Polygamy: The state of being married to more than one person at a time.
* Polygyny: The practice of having more than one wife.
* Polyphase: Having more than one phase.
* Polyphony: Music with multiple independent melodic lines.
* Polyploid: Having more than two sets of chromosomes.
Remember: This list is not exhaustive, and there are many other words with the prefix "poly" that are not listed here.
To find more words with the prefix "poly," you can use a dictionary or an online thesaurus.