chondroma vs benign tumor

chondroma and benign tumor both are nouns.

Word	Noun	Adjective	Verb	Adverb
chondroma	Yes	No	No	No
benign tumor	Yes	No	No	No

As nouns, benign tumor is a hypernym of chondroma; that is, benign tumor is a word with a broader meaning than chondroma:

Other hypernyms of chondroma include benign tumour, nonmalignant neoplasm, nonmalignant tumor, nonmalignant tumour.

chondroma (noun)	benign tumor (noun)
a common benign tumor of cartilage cells	a tumor that is not cancerous