nephroblastoma vs embryoma of the kidney

nephroblastoma and embryoma of the kidney both are nouns.

Word	Noun	Adjective	Verb	Adverb
nephroblastoma	Yes	No	No	No
embryoma of the kidney	Yes	No	No	No

As nouns, nephroblastoma and embryoma of the kidney are synonyms defined as:

nephroblastoma and embryoma of the kidney: malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass

Other synonyms of nephroblastoma include adenomyosarcoma, Wilms' tumor, Wilms tumour.

nephroblastoma (noun)	embryoma of the kidney (noun)
malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass	malignant renal tumor of young children characterized by hypertension and blood in the urine and the presence of a palpable mass