dossal vs wall hanging

dossal and wall hanging both are nouns.

Word	Noun	Adjective	Verb	Adverb
dossal	Yes	No	No	No
wall hanging	Yes	No	No	No

As nouns, wall hanging is a hypernym of dossal; that is, wall hanging is a word with a broader meaning than dossal:

dossal: an ornamental hanging of rich fabric hung behind the altar of a church or at the sides of a chancel
wall hanging: decoration that is hung (as a tapestry) on a wall or over a window

Other hypernyms of dossal include hanging.

dossal (noun)	wall hanging (noun)
an ornamental hanging of rich fabric hung behind the altar of a church or at the sides of a chancel	decoration that is hung (as a tapestry) on a wall or over a window