shaft of light vs ray of light

shaft of light and ray of light both are nouns.

Word	Noun	Adjective	Verb	Adverb
shaft of light	Yes	No	No	No
ray of light	Yes	No	No	No

As nouns, shaft of light and ray of light are synonyms defined as:

Other synonyms of shaft of light include beam, beam of light, irradiation, light beam, ray, shaft.

shaft of light (noun)	ray of light (noun)
a column of light (as from a beacon)	a column of light (as from a beacon)