low relief vs bas relief

low relief and bas relief both are nouns.

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

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

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

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

low relief (noun)	bas 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