shin vs shinbone

shin and shinbone both are nouns.

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

As nouns, shin and shinbone are synonyms defined as:

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

Other synonyms of shin include shin bone, tibia.

shin (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
the front part of the human leg between the knee and the ankle
the 22nd letter of the Hebrew alphabet
a cut of meat from the lower part of the leg

shin (verb)	shinbone (verb)
climb awkwardly, as if by scrambling