pigment vs pigmentation

pigment and pigmentation both are nouns.

Word	Noun	Adjective	Verb	Adverb
pigment	Yes	No	Yes	No
pigmentation	Yes	No	No	No

pigment (noun)	pigmentation (noun)
a substance used as a coating to protect or decorate a surface (especially a mixture of pigment suspended in a liquid); dries to form a hard coating	coloration of living tissues by pigment
dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)	the deposition of pigment in animals or plants or human beings
any substance whose presence in plant or animal tissues produces a characteristic color

pigment (verb)	pigmentation (verb)
color or dye with a pigment
acquire pigment; become colored or imbued