Gray and Onyx

Related words

Gray adjective - Of the color gray.

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Onyx and gray are semantically related. In some cases you can use "Onyx" instead an adjective "Gray".

Nearby Words: grayed, graying, grayish, grayling

Onyx noun - A chalcedony with alternating black and white bands; used in making cameos.

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Gray and onyx are semantically related. Sometimes you can use "Gray" instead an adjective "Onyx".

Likewise, Uzu's hair is dyed green but his natural hair color is a dark brown, Nonon's hair is a darkened auburn, instead of pink, Houka's hair is onyx, and Rei's hair was dark gray (almost black).

Source: Adaptation Dye-Job aka: Adaptational Dye Job
She also stated that the same has occurred with Uzu, Nonon, Houka, and Rei, as Uzu's hair is dyed green and his natural hair color is a dark brown, Nonon's hair is a dark auburn, instead of pink, Houka's hair is onyx, and Rei's hair was dark gray (almost black).

Source: Fan Fic / Cellar Secrets
Aloof Big Brother: Onyx Annoying Younger Sibling: Ruby Art Evolution: The overall art has shown improvement in both it's gray-scale and colored versions, including lineart, coloring, shading, texturing, lettering and though not as widely used, in backgrounds as well.

Source: Webcomic / Monsterful

Cite this Source

Onyx and Gray. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/gray/onyx

Gray & Onyx. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/gray/onyx>.

Onyx or Gray. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/gray/onyx.

Google Ngram Viewer shows how "gray" and "onyx" have occurred on timeline