public exposure vs spreading

public exposure and spreading both are nouns.

Word	Noun	Adjective	Verb	Adverb
public exposure	Yes	No	No	No
spreading	Yes	No	No	No

As nouns, public exposure and spreading are synonyms defined as:

public exposure and spreading: the opening of a subject to widespread discussion and debate

Other synonyms of public exposure include airing, dissemination.

public exposure (noun)	spreading (noun)
the opening of a subject to widespread discussion and debate	act of extending over a wider scope or expanse of space or time
	the opening of a subject to widespread discussion and debate
	process or result of distributing or extending over a wide expanse of space