course of instruction vs lecture

course of instruction and lecture both are nouns.

Word	Noun	Adjective	Verb	Adverb
course of instruction	Yes	No	No	No
lecture	Yes	No	Yes	No

course of instruction (noun)	lecture (noun)
education imparted in a series of lessons or meetings	teaching by giving a discourse on some subject (typically to a class)
	a speech that is open to the public
	a lengthy rebuke

course of instruction (verb)	lecture (verb)
	censure severely or angrily
	deliver a lecture or talk