basso rilievo vs embossment

basso rilievo and embossment both are nouns.

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

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

basso rilievo: 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 rilievo include relief, relievo, rilievo, sculptural relief.

basso rilievo (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