felicitation vs verbalism

felicitation and verbalism both are nouns.

Word	Noun	Adjective	Verb	Adverb
felicitation	Yes	No	No	No
verbalism	Yes	No	No	No

As nouns, verbalism is a hypernym of felicitation; that is, verbalism is a word with a broader meaning than felicitation:

felicitation: (usually plural) an expression of pleasure at the success or good fortune of another
verbalism: the communication (in speech or writing) of your beliefs or opinions

Other hypernyms of felicitation include expression, verbal expression.

felicitation (noun)	verbalism (noun)
the act of acknowledging that someone has an occasion for celebration	the communication (in speech or writing) of your beliefs or opinions
(usually plural) an expression of pleasure at the success or good fortune of another	overabundance of words