concert vs plan

concert and plan both are nouns.

Word	Noun	Adjective	Verb	Adverb
concert	Yes	No	Yes	No
plan	Yes	No	Yes	No

As verbs, plan is a hypernym of concert; that is, plan is a word with a broader meaning than concert:

Other hypernyms of concert include contrive, design, project.

concert (noun)	plan (noun)
a performance of music by players or singers not involving theatrical staging	scale drawing of a structure
	a series of steps to be carried out or goals to be accomplished
	an arrangement scheme

concert (verb)	plan (verb)
settle by agreement	make plans for something
contrive (a plan) by mutual agreement	have the will and intention to carry out some action
	make or work out a plan for; devise