intend vs purpose

intend is not a noun while purpose is a noun.

Word	Noun	Adjective	Verb	Adverb
intend	No	No	Yes	No
purpose	Yes	No	Yes	No

As verbs, purpose is a hyponym of intend; that is, purpose is a word with a more specific, narrower meaning than intend:

Other hyponyms of intend include design, be after, plan, aim, propose, purport.

intend (noun)	purpose (noun)
	what something is used for
	the quality of being determined to do or achieve something; firmness of purpose
	an anticipated outcome that is intended or that guides your planned actions

intend (verb)	purpose (verb)
have in mind as a purpose	reach a decision
design or destine	propose or intend
mean or intend to express or convey
denote or connote