sermoniser vs preacher man

sermoniser and preacher man both are nouns.

Word	Noun	Adjective	Verb	Adverb
sermoniser	Yes	No	No	No
preacher man	Yes	No	No	No

As nouns, sermoniser and preacher man are synonyms defined as:

sermoniser and preacher man: someone whose occupation is preaching the gospel

Other synonyms of sermoniser include preacher, sermonizer.

sermoniser (noun)	preacher man (noun)
someone whose occupation is preaching the gospel	someone whose occupation is preaching the gospel