absorbent vs thirsty

absorbent is a noun but thirsty is not a noun.

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

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

absorbent (adjective)	thirsty (adjective)
having power or capacity or tendency to absorb or soak up something (liquids or energy etc.)	feeling a need or desire to drink
	able to take in large quantities of moisture
	(usually followed by `for') extremely desirous
	needing moisture