wall mural vs mural wallpaper

wall mural and mural wallpaper both are nouns.

Word	Noun	Adjective	Verb	Adverb
wall mural	Yes	No	No	No
mural wallpaper	Yes	No	No	No

As nouns, wall mural and mural wallpaper are synonyms defined as:

wall mural and mural wallpaper: A decorative printed wallpaper usually placed on only one wall; the print can either be custom or chosen from a predefined set.

Other synonyms of wall mural include photo mural, photo wallpaper.

wall mural (noun)	mural wallpaper (noun)
A decorative printed wallpaper usually placed on only one wall; the print can either be custom or chosen from a predefined set.	A decorative printed wallpaper usually placed on only one wall; the print can either be custom or chosen from a predefined set.