Homonyms (words that sound the same but have different meanings):
* Bat: A nocturnal flying mammal OR a piece of equipment used in baseball
* Bank: A financial institution OR the edge of a river
* Can: A metal container OR to be able to
* Check: A mark on a list OR a piece of paper used to pay for goods
* Cool: Low temperature OR impressive or stylish
* Fine: A penalty OR of high quality
* Grave: A place for burying the dead OR serious
* Match: A small stick used for lighting OR a person or thing that is equal to another
* Mean: Unkind OR average
* Park: A public green space OR to leave a vehicle
* Right: Correct OR the opposite of left
* Run: To move quickly on foot OR a series of events
* Spring: A season OR a coil of metal
Polysemes (words with multiple related meanings):
* Book: A collection of written or printed pages OR to make a reservation
* Bright: Shining with light OR intelligent
* Chair: A piece of furniture OR the position of a leader
* Face: The front of the head OR to confront a problem
* Game: A form of entertainment OR wild animals hunted for sport
* Head: The top part of the body OR the leader of a group
* Light: The natural agent that stimulates sight OR not heavy
* Paper: A thin sheet of material OR a document
* Play: To engage in an activity for enjoyment OR a performance in a theater
* Room: A space in a building OR space for something else
* Table: A piece of furniture OR a chart of information
* Time: A measured period OR a specific moment
Other examples:
* Case: A container OR a legal matter
* Change: To become different OR coins
* Fire: A burning flame OR to dismiss from employment
* Ground: The surface of the earth OR to crush
* Scale: A device for measuring weight OR a covering on a fish
* Strike: A hit OR a work stoppage
* Trip: A journey OR to stumble
Remember, context is key! The meaning of a noun will be determined by how it's used in a sentence.