comfortableness vs comfortable

comfortableness is a noun but comfortable is not a noun.

Word	Noun	Adjective	Verb	Adverb
comfortableness	Yes	No	No	No
comfortable	No	Yes	No	No

comfortableness (noun)	comfortable (noun)
a feeling of being at ease in a relationship
a state of being relaxed and feeling no pain

comfortableness (adjective)	comfortable (adjective)
	providing or experiencing physical well-being or relief (`comfy' is informal)
	free from stress or conducive to mental ease; having or affording peace of mind
	in fortunate circumstances financially; moderately rich
	sufficient to provide comfort
	having a wide margin