racy vs robust

racy and robust both are adjectives.

Word	Noun	Adjective	Verb	Adverb
racy	No	Yes	No	No
robust	No	Yes	No	No

As adjectives, racy and robust are synonyms defined as:

Other synonyms of racy include full-bodied, rich.

racy (adjective)	robust (adjective)
designed or suitable for competing in a race	sturdy and strong in form, constitution, or construction
suggestive of sexual impropriety	strong enough to withstand or overcome intellectual challenges or adversity
full of zest or vigor	marked by richness and fullness of flavor
marked by richness and fullness of flavor	rough and crude