comfortable vs comfy

comfortable and comfy both are adjectives.

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

As adjectives, comfortable and comfy are synonyms defined as:

comfortable and comfy: providing or experiencing physical well-being or relief (`comfy' is informal)

comfortable (adjective)	comfy (adjective)
providing or experiencing physical well-being or relief (`comfy' is informal)	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