grey vs gray

grey and gray both are nouns.

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

As adjectives, grey and gray are synonyms defined as:

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

Other synonyms of grey include grayish, greyish.

As adjectives, grey and gray are synonyms defined as:

As adjectives, grey and gray are synonyms defined as:

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

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

As adjectives, grey and gray are synonyms defined as:

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

As nouns, grey and gray are synonyms defined as:

As nouns, grey and gray are synonyms defined as:

As nouns, grey and gray are synonyms defined as:

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

Other synonyms of grey include grayness, greyness.

As nouns, grey and gray are synonyms defined as:

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

As verbs, grey and gray are synonyms defined as:

As verbs, grey and gray are synonyms defined as:

grey (noun)	gray (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

grey (adjective)	gray (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)

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