vocation vs press corps

vocation and press corps both are nouns.

Word	Noun	Adjective	Verb	Adverb
vocation	Yes	No	No	No
press corps	Yes	No	No	No

As nouns, press corps is a hyponym of vocation; that is, press corps is a word with a more specific, narrower meaning than vocation:

vocation: a body of people doing the same kind of work
press corps: a group of journalists representing different publications who all cover the same topics

Other hyponyms of vocation include profession.

vocation (noun)	press corps (noun)
the particular occupation for which you are trained	a group of journalists representing different publications who all cover the same topics
a body of people doing the same kind of work