tibia vs shin bone

tibia and shin bone both are nouns.

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

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

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

Other synonyms of tibia include shin, shinbone.

tibia (noun)	shin bone (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