fiber optics vs fiberoptics

fiber optics and fiberoptics both are nouns.

Word	Noun	Adjective	Verb	Adverb
fiber optics	Yes	No	No	No
fiberoptics	Yes	No	No	No

As nouns, fiber optics and fiberoptics are synonyms defined as:

fiber optics and fiberoptics: the transmission of light signals via glass fibers

Other synonyms of fiber optics include fibre optics, fibreoptics.

fiber optics (noun)	fiberoptics (noun)
the transmission of light signals via glass fibers	the transmission of light signals via glass fibers