fibre optics vs fibreoptics

fibre optics and fibreoptics both are nouns.

Word	Noun	Adjective	Verb	Adverb
fibre optics	Yes	No	No	No
fibreoptics	Yes	No	No	No

As nouns, fibre optics and fibreoptics are synonyms defined as:

fibre optics and fibreoptics: the transmission of light signals via glass fibers

Other synonyms of fibre optics include fiber optics, fiberoptics.

fibre optics (noun)	fibreoptics (noun)
the transmission of light signals via glass fibers	the transmission of light signals via glass fibers