heel tip vs heeltip

heel tip and heeltip both are nouns.

Word	Noun	Adjective	Verb	Adverb
heel tip	Yes	No	No	No
heeltip	Yes	No	No	No

As nouns, heel tip and heeltip are synonyms defined as:

heel tip and heeltip: The bottom end of a heel, usually made of plastic or metal.

heel tip (noun)	heeltip (noun)
The bottom end of a heel, usually made of plastic or metal.	The bottom end of a heel, usually made of plastic or metal.