algolagnia vs algophilia

algolagnia and algophilia both are nouns.

Word	Noun	Adjective	Verb	Adverb
algolagnia	Yes	No	No	No
algophilia	Yes	No	No	No

As nouns, algolagnia and algophilia are synonyms defined as:

algolagnia and algophilia: sexual pleasure derived from inflicting or experiencing pain

algolagnia (noun)	algophilia (noun)
sexual pleasure derived from inflicting or experiencing pain	sexual pleasure derived from inflicting or experiencing pain