xylophone vs xylophonist

xylophone and xylophonist both are nouns.

Word	Noun	Adjective	Verb	Adverb
xylophone	Yes	No	No	No
xylophonist	Yes	No	No	No

xylophone (noun)	xylophonist (noun)
a percussion instrument with wooden bars tuned to produce a chromatic scale and with resonators; played with small mallets	someone who plays a xylophone