particle board vs fibreboard

particle board and fibreboard both are nouns.

Word	Noun	Adjective	Verb	Adverb
particle board	Yes	No	No	No
fibreboard	Yes	No	No	No

As nouns, particle board and fibreboard are synonyms defined as:

particle board and fibreboard: wallboard composed of wood chips or shavings bonded together with resin and compressed into rigid sheets

Other synonyms of particle board include fiberboard.

particle board (noun)	fibreboard (noun)
wallboard composed of wood chips or shavings bonded together with resin and compressed into rigid sheets	wallboard composed of wood chips or shavings bonded together with resin and compressed into rigid sheets