sob story vs sob stuff

sob story and sob stuff both are nouns.

Word	Noun	Adjective	Verb	Adverb
sob story	Yes	No	No	No
sob stuff	Yes	No	No	No

As nouns, sob story and sob stuff are synonyms defined as:

sob story and sob stuff: a sentimental story (or drama) of personal distress; designed to arouse sympathy

sob story (noun)	sob stuff (noun)
a sentimental story (or drama) of personal distress; designed to arouse sympathy	a sentimental story (or drama) of personal distress; designed to arouse sympathy