X vs hug drug

X and hug drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
X	Yes	No	No	No
hug drug	Yes	No	No	No

As nouns, X and hug drug are synonyms defined as:

Other synonyms of X include Adam, cristal, disco biscuit, ecstasy, go, XTC.

X (noun)	hug drug (noun)
street names for methylenedioxymethamphetamine	street names for methylenedioxymethamphetamine
the 24th letter of the Roman alphabet
the cardinal number that is the sum of nine and one; the base of the decimal system