sadomasochism vs masochism

sadomasochism and masochism both are nouns.

Word	Noun	Adjective	Verb	Adverb
sadomasochism	Yes	No	No	No
masochism	Yes	No	No	No

As nouns, masochism is a hypernym of sadomasochism; that is, masochism is a word with a broader meaning than sadomasochism:

sadomasochism: sadism and masochism combined in one person
masochism: sexual pleasure obtained from receiving punishment (physical or psychological)

Other hypernyms of sadomasochism include sadism.

sadomasochism (noun)	masochism (noun)
sadism and masochism combined in one person	sexual pleasure obtained from receiving punishment (physical or psychological)