go vs ray

go and ray both are nouns.

Word	Noun	Adjective	Verb	Adverb
go	Yes	Yes	Yes	No
ray	Yes	No	Yes	No

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

go: stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point
ray: extend or spread outward from a center or focus or inward towards a center

Other hyponyms of go include come, radiate, go deep, go far, underrun.

go (noun)	ray (noun)
a board game for two players who place counters on a grid; the object is to surround and so capture the opponent's counters	cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
a usually brief attempt	any of the stiff bony spines in the fin of a fish
street names for methylenedioxymethamphetamine	the syllable naming the second (supertonic) note of any major scale in solmization
a time period for working (after which you will be relieved by someone else)	a column of light (as from a beacon)
	a group of nearly parallel lines of electromagnetic radiation
	a branch of an umbel or an umbelliform inflorescence
	(mathematics) a straight line extending from a point

go (adjective)	ray (adjective)
functioning correctly and ready for action

go (verb)	ray (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	expose to radiation
follow a certain course	extend or spread outward from a center or focus or inward towards a center
progress by being changed	emit as rays
stop operating or functioning
enter or assume a certain state or condition
be abolished or discarded
give support (to) or make a choice (of) one out of a group or number
have a turn; make one's move in a game
to be spent or finished
be spent
perform as expected when applied
go through in search of something; search through someone's belongings in an unauthorized way
change location; move, travel, or proceed, also metaphorically
move away from a place into another direction
begin or set in motion
make a certain noise or sound
follow a procedure or take a course
stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point
have a particular form
pass, fare, or elapse; of a certain state of affairs or action
be in the right place or situation
be the right size or shape; fit correctly or as desired
be awarded; be allotted
be or continue to be in a certain condition
lead, extend, or afford access
be ranked or compare
blend or harmonize
be sounded, played, or expressed
be contained in
continue to live and avoid dying