weatherboarding vs clapboard

weatherboarding and clapboard both are nouns.

Word	Noun	Adjective	Verb	Adverb
weatherboarding	Yes	No	No	No
clapboard	Yes	No	Yes	No

As nouns, weatherboarding and clapboard are synonyms defined as:

weatherboarding and clapboard: a long thin board with one edge thicker than the other; used as siding by lapping one board over the board below

Other synonyms of weatherboarding include weatherboard.

weatherboarding (noun)	clapboard (noun)
a long thin board with one edge thicker than the other; used as siding by lapping one board over the board below	a long thin board with one edge thicker than the other; used as siding by lapping one board over the board below

weatherboarding (verb)	clapboard (verb)
	cover with clapboards