delivery vs shibboleth

delivery and shibboleth both are nouns.

Word	Noun	Adjective	Verb	Adverb
delivery	Yes	No	No	No
shibboleth	Yes	No	No	No

As nouns, shibboleth is a hyponym of delivery; that is, shibboleth is a word with a more specific, narrower meaning than delivery:

delivery: your characteristic style or manner of expressing yourself orally
shibboleth: a manner of speaking that is distinctive of a particular group of people

Other hyponyms of delivery include address, catch, tongue, tone, tone of voice, elocution, inflection, prosody, inflection, modulation.

delivery (noun)	shibboleth (noun)
recovery or preservation from loss or danger	a manner of speaking that is distinctive of a particular group of people
the voluntary transfer of something (title or possession) from one party to another	a favorite saying of a group, organization or individual
the act of delivering a child
the act of throwing a baseball or softball by the pitcher towards home plate, which initiates play by giving the batter a chance to hit it
the act of delivering or distributing something (as goods or mail)
your characteristic style or manner of expressing yourself orally
the event of giving birth