adsorbable vs adsorbate

adsorbable is not a noun while adsorbate is a noun.

Word	Noun	Adjective	Verb	Adverb
adsorbable	No	Yes	No	No
adsorbate	Yes	Yes	No	No

As adjectives, adsorbable and adsorbate are synonyms defined as:

adsorbable and adsorbate: capable of being adsorbed or accumulated on a surface of a solid

adsorbable (noun)	adsorbate (noun)
	a material that has been or is capable of being adsorbed

adsorbable (adjective)	adsorbate (adjective)
capable of being adsorbed or accumulated on a surface of a solid	capable of being adsorbed or accumulated on a surface of a solid