hazard vs hazardous

hazard is a noun but hazardous is not a noun.

Word	Noun	Adjective	Verb	Adverb
hazard	Yes	No	Yes	No
hazardous	No	Yes	No	No

hazard (noun)	hazardous (noun)
an obstacle on a golf course
an unknown and unpredictable phenomenon that causes an event to result one way rather than another
a source of danger; a possibility of incurring loss or misfortune

hazard (adjective)	hazardous (adjective)
	involving risk or danger

hazard (verb)	hazardous (verb)
put forward, of a guess, in spite of possible refutation
take a risk in the hope of a favorable outcome
put at risk