sermonize vs sermonise

sermonize and sermonise both are verbs.

Word	Noun	Adjective	Verb	Adverb
sermonize	No	No	Yes	No
sermonise	No	No	Yes	No

As verbs, sermonize and sermonise are synonyms defined as:

sermonize and sermonise: speak as if delivering a sermon; express moral judgements

Other synonyms of sermonize include moralise, moralize, preachify.

sermonize (verb)	sermonise (verb)
speak as if delivering a sermon; express moral judgements	speak as if delivering a sermon; express moral judgements