corrugated board vs corrugated cardboard

corrugated board and corrugated cardboard both are nouns.

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

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

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

corrugated board (noun)	corrugated cardboard (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)