pentatonic scale vs pentatone

pentatonic scale and pentatone both are nouns.

Word	Noun	Adjective	Verb	Adverb
pentatonic scale	Yes	No	No	No
pentatone	Yes	No	No	No

As nouns, pentatonic scale and pentatone are synonyms defined as:

pentatonic scale and pentatone: a gapped scale with five notes; usually the fourth and seventh notes of the diatonic scale are omitted

pentatonic scale (noun)	pentatone (noun)
a gapped scale with five notes; usually the fourth and seventh notes of the diatonic scale are omitted	a gapped scale with five notes; usually the fourth and seventh notes of the diatonic scale are omitted