wall mural vs photo wallpaper

wall mural and photo wallpaper both are nouns.

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

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

wall mural and photo 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 mural wallpaper, photo mural.

wall mural (noun)	photo 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.