headquarter vs supply

headquarter is not a noun while supply is a noun.

Word	Noun	Adjective	Verb	Adverb
headquarter	No	No	Yes	No
supply	Yes	No	Yes	No

As verbs, supply is a hypernym of headquarter; that is, supply is a word with a broader meaning than headquarter:

Other hypernyms of headquarter include furnish, offer, provide, render.

headquarter (noun)	supply (noun)
	the activity of supplying or providing something
	offering goods and services for sale
	an amount of something available for use

headquarter (verb)	supply (verb)
provide with headquarters	state or say further
	give what is desired or needed, especially support, food or sustenance
	give something useful or necessary to
	circulate or distribute or equip with