weatherstripping vs weather stripping

weatherstripping and weather stripping both are nouns.

Word	Noun	Adjective	Verb	Adverb
weatherstripping	Yes	No	No	No
weather stripping	Yes	No	No	No

As nouns, weatherstripping and weather stripping are synonyms defined as:

weatherstripping and weather stripping: a narrow strip of material to cover the joint of a door or window to exclude the cold

Other synonyms of weatherstripping include weather strip, weatherstrip.

weatherstripping (noun)	weather stripping (noun)
a narrow strip of material to cover the joint of a door or window to exclude the cold	a narrow strip of material to cover the joint of a door or window to exclude the cold