tiptop vs pinnacle

tiptop and pinnacle both are nouns.

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

As nouns, tiptop and pinnacle are synonyms defined as:

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

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

tiptop (noun)	pinnacle (noun)
the extreme top or summit	(architecture) a slender upright spire at the top of a buttress or tower
the highest level or degree attainable; the highest stage of development	a lofty peak
	the highest level or degree attainable; the highest stage of development

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

tiptop (verb)	pinnacle (verb)
	raise on or as if on a pinnacle
	surmount with a pinnacle