hyoid bone vs hyoid

hyoid bone and hyoid both are nouns.

Word	Noun	Adjective	Verb	Adverb
hyoid bone	Yes	No	No	No
hyoid	Yes	Yes	No	No

As nouns, hyoid bone and hyoid are synonyms defined as:

hyoid bone and hyoid: a U-shaped bone at the base of the tongue that supports the tongue muscles

Other synonyms of hyoid bone include os hyoideum.

hyoid bone (noun)	hyoid (noun)
a U-shaped bone at the base of the tongue that supports the tongue muscles	a U-shaped bone at the base of the tongue that supports the tongue muscles

hyoid bone (adjective)	hyoid (adjective)
	of or relating to the hyoid bone