comfortable vs snug

comfortable is not a noun while snug is a noun.

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

comfortable (noun)	snug (noun)
	a small secluded room

comfortable (adjective)	snug (adjective)
providing or experiencing physical well-being or relief (`comfy' is informal)	enjoying or affording comforting warmth and shelter especially in a small space
free from stress or conducive to mental ease; having or affording peace of mind	offering safety; well protected or concealed
in fortunate circumstances financially; moderately rich	fitting closely but comfortably
sufficient to provide comfort	well and tightly constructed
having a wide margin