You can make your own fingerboard, with this mold and wood.
similar - resembling or similar; having the same or some of the same characteristics; often used in combination; suits of like design; a limited circle of like minds; members of the cat family have like dispositions; as like as two peas in a pod; doglike devotion; a dreamlike quality. like.
Homographs are words that are spelled the same but differ in meaning, derivation, or pronunciation. Homophones are words that are pronounced the same but differ in meaning, derivation, or spelling. Homonyms are words that are spelled and pronounced the same but have different meanings. There is overlap among these categories. Heteronyms are specific types of homographs in which the different pronunciations are associated with different meanings.