table vs plateau

table and plateau both are nouns.

Word	Noun	Adjective	Verb	Adverb
table	Yes	No	Yes	No
plateau	Yes	No	No	No

As nouns, plateau is a hypernym of table; that is, plateau is a word with a broader meaning than table:

Other hypernyms of table include tableland.

table (noun)	plateau (noun)
a piece of furniture having a smooth flat top that is usually supported by one or more vertical legs	a relatively flat highland
a piece of furniture with tableware for a meal laid out on it
food or meals in general
a set of data arranged in rows and columns
a company of people assembled at a table for a meal or game
flat tableland with steep edges

table (verb)	plateau (verb)
arrange or enter in tabular form
hold back to a later time