gray vs grey

gray and grey both are nouns.

Word	Noun	Adjective	Verb	Adverb
gray	Yes	Yes	Yes	No
grey	Yes	Yes	Yes	No

As adjectives, gray and grey are synonyms defined as:

gray and grey: of an achromatic color of any lightness intermediate between the extremes of white and black

Other synonyms of gray include grayish, greyish.

As adjectives, gray and grey are synonyms defined as:

As adjectives, gray and grey are synonyms defined as:

gray and grey: showing characteristics of age, especially having grey or white hair

Other synonyms of gray include gray-haired, gray-headed, grey-haired, grey-headed, grizzly, hoar, hoary, white-haired.

As adjectives, gray and grey are synonyms defined as:

gray and grey: used to signify the Confederate forces in the American Civil War (who wore grey uniforms)

As nouns, gray and grey are synonyms defined as:

As nouns, gray and grey are synonyms defined as:

As nouns, gray and grey are synonyms defined as:

gray and grey: a neutral achromatic color midway between white and black

Other synonyms of gray include grayness, greyness.

As nouns, gray and grey are synonyms defined as:

gray and grey: any organization or party whose uniforms or badges are grey

As verbs, gray and grey are synonyms defined as:

As verbs, gray and grey are synonyms defined as:

gray (noun)	grey (noun)
horse of a light gray or whitish color	horse of a light gray or whitish color
clothing that is a grey color	clothing that is a grey color
a neutral achromatic color midway between white and black	a neutral achromatic color midway between white and black
any organization or party whose uniforms or badges are grey	any organization or party whose uniforms or badges are grey
the SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad

gray (adjective)	grey (adjective)
of an achromatic color of any lightness intermediate between the extremes of white and black	of an achromatic color of any lightness intermediate between the extremes of white and black
intermediate in character or position	intermediate in character or position
showing characteristics of age, especially having grey or white hair	showing characteristics of age, especially having grey or white hair
used to signify the Confederate forces in the American Civil War (who wore grey uniforms)	used to signify the Confederate forces in the American Civil War (who wore grey uniforms)

gray (verb)	grey (verb)
turn grey	turn grey
make grey	make grey