absorptive vs absorbent

absorptive is not a noun while absorbent is a noun.

Word	Noun	Adjective	Verb	Adverb
absorptive	No	Yes	No	No
absorbent	Yes	Yes	No	No

As adjectives, absorptive and absorbent are synonyms defined as:

absorptive and absorbent: having power or capacity or tendency to absorb or soak up something (liquids or energy etc.)

absorptive (noun)	absorbent (noun)
	a material having capacity or tendency to absorb another substance

absorptive (adjective)	absorbent (adjective)
having power or capacity or tendency to absorb or soak up something (liquids or energy etc.)	having power or capacity or tendency to absorb or soak up something (liquids or energy etc.)