fiberoptics vs fibreoptics

fiberoptics and fibreoptics both are nouns.

Word	Noun	Adjective	Verb	Adverb
fiberoptics	Yes	No	No	No
fibreoptics	Yes	No	No	No

As nouns, fiberoptics and fibreoptics are synonyms defined as:

fiberoptics and fibreoptics: the transmission of light signals via glass fibers

Other synonyms of fiberoptics include fiber optics, fibre optics.

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