/ Thesaurus / E Synonyms of ewing's sarcoma Find synonyms for: Noun1. Ewing's sarcoma, Ewing's tumor, Ewing's tumour, endothelial myeloma, sarcomausage: malignant tumor in bone marrow (usually in the pelvis or in long bones)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language