bas relief vs low relief

bas relief and low relief both are nouns.

Word	Noun	Adjective	Verb	Adverb
bas relief	Yes	No	No	No
low relief	Yes	No	No	No

As nouns, bas relief and low relief are synonyms defined as:

bas relief and low relief: a sculptural relief in which forms extend only slightly from the background; no figures are undercut

Other synonyms of bas relief include basso relievo, basso rilievo.

bas relief (noun)	low relief (noun)
a sculptural relief in which forms extend only slightly from the background; no figures are undercut	a sculptural relief in which forms extend only slightly from the background; no figures are undercut