neat vs dandy

neat is not a noun while dandy is a noun.

Word	Noun	Adjective	Verb	Adverb
neat	No	Yes	No	No
dandy	Yes	Yes	No	No

As adjectives, neat and dandy are synonyms defined as:

Other synonyms of neat include bang-up, bully, corking, cracking, great, groovy, keen, nifty, not bad, old, peachy, slap-up, smashing, swell.

neat (noun)	dandy (noun)
	a sailing vessel with two masts; a small mizzen is aft of the rudderpost
	a man who is much concerned with his dress and appearance

neat (adjective)	dandy (adjective)
free from clumsiness; precisely or deftly executed	excellent
excellent
superficially impressive, but lacking depth and attention to the true complexities of a subject
clean or organized
(of an alcoholic drink) without water
showing care in execution