/ Thesaurus / O Synonyms of osteochondroma Find synonyms for: Noun1. osteochondroma, benign tumor, benign tumour, nonmalignant tumor, nonmalignant tumour, nonmalignant neoplasmusage: benign tumor containing both bone and cartilage; usually occurs near the end of a long boneWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language