osteosarcoma vs osteogenic sarcoma

osteosarcoma and osteogenic sarcoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
osteosarcoma	Yes	No	No	No
osteogenic sarcoma	Yes	No	No	No

As nouns, osteosarcoma and osteogenic sarcoma are synonyms defined as:

osteosarcoma and osteogenic sarcoma: malignant bone tumor; most common in children and young adults where it tends to affect the femur

osteosarcoma (noun)	osteogenic sarcoma (noun)
malignant bone tumor; most common in children and young adults where it tends to affect the femur	malignant bone tumor; most common in children and young adults where it tends to affect the femur