basso relievo vs embossment

basso relievo and embossment both are nouns.

Word	Noun	Adjective	Verb	Adverb
basso relievo	Yes	No	No	No
embossment	Yes	No	No	No

As nouns, embossment is a hypernym of basso relievo; that is, embossment is a word with a broader meaning than basso relievo:

basso relievo: a sculptural relief in which forms extend only slightly from the background; no figures are undercut
embossment: sculpture consisting of shapes carved on a surface so as to stand out from the surrounding background

Other hypernyms of basso relievo include relief, relievo, rilievo, sculptural relief.

basso relievo (noun)	embossment (noun)
a sculptural relief in which forms extend only slightly from the background; no figures are undercut	sculpture consisting of shapes carved on a surface so as to stand out from the surrounding background
	an impression produced by pressure or printing