ED vs erectile dysfunction

ED and erectile dysfunction both are nouns.

Word	Noun	Adjective	Verb	Adverb
ED	Yes	No	No	No
erectile dysfunction	Yes	No	No	No

As nouns, ED and erectile dysfunction are synonyms defined as:

ED and erectile dysfunction: impotence resulting from a man's inability to have or maintain an erection of his penis

Other synonyms of ED include male erecticle dysfunction.

ED (noun)	erectile dysfunction (noun)
impotence resulting from a man's inability to have or maintain an erection of his penis	impotence resulting from a man's inability to have or maintain an erection of his penis