top vs tiptop

top and tiptop both are nouns.

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

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

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

As nouns, top and tiptop are synonyms defined as:

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

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

top (noun)	tiptop (noun)
a garment (especially for women) that extends from the shoulders to the waist or hips	the extreme top or summit
covering for a hole (especially a hole in the top of a container)	the highest level or degree attainable; the highest stage of development
a canvas tent to house the audience at a circus performance
a conical child's plaything tapering to a steel point on which it can be made to spin
platform surrounding the head of a lower mast
the greatest possible intensity
the highest or uppermost side of anything
the upper part of anything
the top or extreme point of something (usually a mountain or hill)
the highest level or degree attainable; the highest stage of development
the first half of an inning; while the visiting team is at bat

top (adjective)	tiptop (adjective)
situated at the top or highest position	of the highest quality

top (verb)	tiptop (verb)
be the culminating event
finish up or conclude
cut the top off
strike (the top part of a ball in golf, baseball, or pool) giving it a forward spin
pass by, over, or under without making contact
reach or ascend the top of
provide with a top or finish the top (of a structure)
be superior or better than some standard
be at the top of or constitute the top or highest point
be ahead of others; be the first