corrugated cardboard vs corrugated board

corrugated cardboard and corrugated board both are nouns.

Word	Noun	Adjective	Verb	Adverb
corrugated cardboard	Yes	No	No	No
corrugated board	Yes	No	No	No

As nouns, corrugated cardboard and corrugated board are synonyms defined as:

corrugated cardboard and corrugated board: cardboard with corrugations (can be glued to flat cardboard on one or both sides)

corrugated cardboard (noun)	corrugated board (noun)
cardboard with corrugations (can be glued to flat cardboard on one or both sides)	cardboard with corrugations (can be glued to flat cardboard on one or both sides)