verbalisation vs phraseology

verbalisation and phraseology both are nouns.

Word	Noun	Adjective	Verb	Adverb
verbalisation	Yes	No	No	No
phraseology	Yes	No	No	No

As nouns, phraseology is a hypernym of verbalisation; that is, phraseology is a word with a broader meaning than verbalisation:

Other hypernyms of verbalisation include choice of words, diction, phrasing, verbiage, wording.

verbalisation (noun)	phraseology (noun)
the activity of expressing something in words	the manner in which something is expressed in words
the words that are spoken in the activity of verbalization