commiseration vs commiserate

commiseration is a noun but commiserate is not a noun.

Word	Noun	Adjective	Verb	Adverb
commiseration	Yes	No	No	No
commiserate	No	No	Yes	No

commiseration (noun)	commiserate (noun)
an expression of sympathy with another's grief
a feeling of sympathy and sorrow for the misfortunes of others

commiseration (verb)	commiserate (verb)
	to feel or express sympathy or compassion