Lucy in the sky with diamonds vs acid

Lucy in the sky with diamonds and acid both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lucy in the sky with diamonds	Yes	No	No	No
acid	Yes	Yes	No	No

As nouns, Lucy in the sky with diamonds and acid are synonyms defined as:

Lucy in the sky with diamonds and acid: street name for lysergic acid diethylamide

Other synonyms of Lucy in the sky with diamonds include back breaker, battery-acid, dose, dot, Elvis, loony toons, pane, superman, window pane, Zen.

Lucy in the sky with diamonds (noun)	acid (noun)
street name for lysergic acid diethylamide	street name for lysergic acid diethylamide
	any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt

Lucy in the sky with diamonds (adjective)	acid (adjective)
	having the characteristics of an acid
	being sour to the taste
	harsh or corrosive in tone