summit vs tiptop

summit and tiptop both are nouns.

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

As nouns, summit and tiptop are synonyms defined as:

summit and tiptop: the highest level or degree attainable; the highest stage of development

Other synonyms of summit include acme, elevation, height, meridian, peak, pinnacle, superlative, top.

summit (noun)	tiptop (noun)
a meeting of heads of governments	the extreme top or summit
the top or extreme point of something (usually a mountain or hill)	the highest level or degree attainable; the highest stage of development
the highest level or degree attainable; the highest stage of development

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

summit (verb)	tiptop (verb)
reach the summit (of a mountain)