lecture vs remonstrate

lecture is a noun but remonstrate is not a noun.

Word	Noun	Adjective	Verb	Adverb
lecture	Yes	No	Yes	No
remonstrate	No	No	Yes	No

As verbs, lecture and remonstrate are synonyms defined as:

lecture (noun)	remonstrate (noun)
teaching by giving a discourse on some subject (typically to a class)
a speech that is open to the public
a lengthy rebuke

lecture (verb)	remonstrate (verb)
censure severely or angrily	argue in protest or opposition
deliver a lecture or talk	present and urge reasons in opposition
	censure severely or angrily