cumulative preferred vs cumulative preferred stock

cumulative preferred and cumulative preferred stock both are nouns.

Word	Noun	Adjective	Verb	Adverb
cumulative preferred	Yes	No	No	No
cumulative preferred stock	Yes	No	No	No

As nouns, cumulative preferred and cumulative preferred stock are synonyms defined as:

cumulative preferred and cumulative preferred stock: preferred stock whose dividends if omitted accumulate until paid out

cumulative preferred (noun)	cumulative preferred stock (noun)
preferred stock whose dividends if omitted accumulate until paid out	preferred stock whose dividends if omitted accumulate until paid out