prayer shawl vs tallis

prayer shawl and tallis both are nouns.

Word	Noun	Adjective	Verb	Adverb
prayer shawl	Yes	No	No	No
tallis	Yes	No	No	No

As nouns, prayer shawl and tallis are synonyms defined as:

prayer shawl and tallis: (Judaism) a shawl with a ritually knotted fringe at each corner; worn by Jews at morning prayer

Other synonyms of prayer shawl include tallith.

prayer shawl (noun)	tallis (noun)
(Judaism) a shawl with a ritually knotted fringe at each corner; worn by Jews at morning prayer	(Judaism) a shawl with a ritually knotted fringe at each corner; worn by Jews at morning prayer