shin bone vs shinbone

shin bone and shinbone both are nouns.

Word	Noun	Adjective	Verb	Adverb
shin bone	Yes	No	No	No
shinbone	Yes	No	No	No

As nouns, shin bone and shinbone are synonyms defined as:

shin bone and shinbone: the inner and thicker of the two bones of the human leg between the knee and ankle

Other synonyms of shin bone include shin, tibia.

shin bone (noun)	shinbone (noun)
the inner and thicker of the two bones of the human leg between the knee and ankle	the inner and thicker of the two bones of the human leg between the knee and ankle
a cut of meat from the lower part of the leg