journalese vs expressive style

journalese and expressive style both are nouns.

Word	Noun	Adjective	Verb	Adverb
journalese	Yes	No	No	No
expressive style	Yes	No	No	No

As nouns, expressive style is a hypernym of journalese; that is, expressive style is a word with a broader meaning than journalese:

journalese: the style in which newspapers are written
expressive style: a way of expressing something (in language or art or music etc.) that is characteristic of a particular person or group of people or period

Other hypernyms of journalese include style.

journalese (noun)	expressive style (noun)
the style in which newspapers are written	a way of expressing something (in language or art or music etc.) that is characteristic of a particular person or group of people or period