What part of speech is common?

"Common" can be several parts of speech, depending on how it's used in a sentence:

* Adjective: Describing something that is frequent, usual, or widespread.

* Example: "This is a common problem."

* Noun: Referring to something that is shared or belongs to everyone.

* Example: "The common good should be our priority."

* Adverb: Meaning "in common" or "together."

* Example: "We have nothing in common."

Let me know if you'd like to see more examples!