inferno vs snake pit

inferno and snake pit both are nouns.

Word	Noun	Adjective	Verb	Adverb
inferno	Yes	No	No	No
snake pit	Yes	No	No	No

As nouns, inferno and snake pit are synonyms defined as:

Other synonyms of inferno include hell, hell on earth, hellhole, the pits.

inferno (noun)	snake pit (noun)
a very intense and uncontrolled fire	pejorative terms for an insane asylum
any place of pain and turmoil	any place of pain and turmoil