- tumour
- tumour: [16] Tumour is one of a small family of English words that go back ultimately to Latin tumēre ‘swell’. Others include contumacy, contumely, tumid ‘swollen’ [16], and tumult [15].
=> contumacy, contumely, thigh, thumb, tumid, tumult - tumour (n.)
- chiefly British English spelling of tumor; see -or.