sunbeam vs sun

sunbeam and sun both are nouns.

Word	Noun	Adjective	Verb	Adverb
sunbeam	Yes	No	No	No
sun	Yes	No	Yes	No

sunbeam (noun)	sun (noun)
a ray of sunlight	any star around which a planetary system revolves
	the star that is the source of light and heat for the planets in the solar system
	a person considered as a source of warmth or energy or glory etc
	the rays of the sun

sunbeam (verb)	sun (verb)
	expose one's body to the sun
	expose to the rays of the sun or affect by exposure to the sun