exposition vs expo

exposition and expo both are nouns.

Word	Noun	Adjective	Verb	Adverb
exposition	Yes	No	No	No
expo	Yes	No	No	No

As nouns, exposition and expo are synonyms defined as:

exposition and expo: a collection of things (goods or works of art etc.) for public display

Other synonyms of exposition include exhibition.

exposition (noun)	expo (noun)
a systematic interpretation or explanation (usually written) of a specific topic	a collection of things (goods or works of art etc.) for public display
an account that sets forth the meaning or intent of a writing or discourse
(music) the section of a movement (especially in sonata form) where the major musical themes first occur
a collection of things (goods or works of art etc.) for public display