verbalism vs verbal expression

verbalism and verbal expression both are nouns.

Word	Noun	Adjective	Verb	Adverb
verbalism	Yes	No	No	No
verbal expression	Yes	No	No	No

As nouns, verbalism and verbal expression are synonyms defined as:

verbalism and verbal expression: the communication (in speech or writing) of your beliefs or opinions

Other synonyms of verbalism include expression.

verbalism (noun)	verbal expression (noun)
the communication (in speech or writing) of your beliefs or opinions	the communication (in speech or writing) of your beliefs or opinions
overabundance of words