a noun that combines two or more words as a single noun is a _____ noun .
![a noun that combines two or more words as a single noun is a noun class=](https://us-static.z-dn.net/files/d02/e1a0c68572dbf29c2046ad29fad91da0.jpg)
The answer you're looking for is a compound noun.
See this website if you want to learn more about compound nouns.
https://grammar.yourdictionary.com/parts-of-speech/nouns/compound-noun.html