1. Noun: This is the most common use. It refers to the tiny bits of ash left behind after something burns.
* Example: "The fireplace was full of cinders."
2. Plural Noun: This is the plural form of "cinder," again referring to small bits of ash.
* Example: "The children gathered the cinders for a game."
3. Verb: While less common, "cinders" can be used as a verb, meaning "to burn to ashes." This is an archaic usage.
* Example: "The fire cinders the wood."
4. Adjective: You could also use "cinder" as an adjective to describe something made of or resembling cinders.
* Example: "The cinder block wall was rough."
Therefore, the part of speech for "cinders" depends on its context.