upside vs tiptop

upside and tiptop both are nouns.

Word	Noun	Adjective	Verb	Adverb
upside	Yes	No	No	No
tiptop	Yes	Yes	No	No

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

Other hyponyms of upside include crest, crown, poll, crown, pate, poll, desktop, rooftop.

upside (noun)	tiptop (noun)
the highest or uppermost side of anything	the extreme top or summit
	the highest level or degree attainable; the highest stage of development

upside (adjective)	tiptop (adjective)
	of the highest quality