Common words:
* nonprofit
* nonsense
* nonstop
* nonfiction
* nonexistent
* nonetheless
* nonchalant
* nonconformist
* nonalcoholic
* nonpartisan
* nonsmoker
* nonessential
* nonverbal
* non-binary
More specific words:
* nonaggression
* nonbeliever
* nonconformity
* noncompliance
* nonintervention
* nonnegotiable
* nonpayment
* nonproductive
* nonrefundable
* nonspecific
* nonstandard
* nonthreatening
* nontoxic
* nonviolent
This is not an exhaustive list, as there are many words that use the prefix "non".
Do you have a specific category or topic in mind? I can help you find words with the prefix "non" that are related to that category.