What is noun form for free?

There are a few dictionaries that categorize the Word 'free' as a noun, a Word for 'free people'. Most dictionaries do not.

When the Word 'free' is used as a noun as in "land of the free...", it can be considered poetic license; an abbreviated way to say "land of the free people...".

The Word 'free' is considered an adjective, an adverb, and a verb.

• The noun forms for the adjective free are freeness and freedom.
• The noun forms for the verb to free are freer (liberator or emancipator), and the gerund, freeing.