aspect vs tableau

aspect and tableau both are nouns.

Word	Noun	Adjective	Verb	Adverb
aspect	Yes	No	No	No
tableau	Yes	No	No	No

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

Other hyponyms of aspect include background, ground, coast, exposure, foreground, glimpse, middle distance, side view.

aspect (noun)	tableau (noun)
the feelings expressed on a person's face	any dramatic scene
a characteristic to be considered	a group of people attractively arranged (as if in a painting)
a distinct feature or element in a problem
the visual percept of a region
the beginning or duration or completion or repetition of the action of a verb