word-forming element meaning "disease," from Greek nosos "disease, sickness, malady," a word of unknown origin.

before vowels bronch-, word-forming element meaning "bronchus," from Latinized form of Greek bronkhos "windpipe," a word of unknown origin.

before vowels log-, word-forming element meaning "speech, word," also "reason," from Greek logos "word, discourse; reason," from PIE root *leg- (1) "to collect, gather," with derivatives meaning "to speak (to 'pick out words')."

before vowels myel-, word-forming element meaning "marrow, spinal cord," from Greek myelos "marrow; the brain," a word of unknown origin.

word-forming element in medicine meaning "a vein or veins," from Greek phlebo-, combining form of phleps "vein," a word of uncertain origin.

before vowels morph-, word-forming element of Greek origin meaning "form, shape," from Greek morphē "form, shape; beauty, outward appearance," a word of uncertain etymology.

before vowels olig-, word-forming element meaning "few, the few," from Greek oligos "few, scanty, small, little," in plural, "the few;" a word of uncertain origin.

word-forming element meaning "sound, hearing," from combining form of Latin audire "to hear" (from PIE root *au- "to perceive"); used in English word formation by 1890s.

before vowels, lith-, word-forming element meaning "stone, rock;" from Greek lithos "stone, a precious stone, marble; a piece on a game board," a word of unknown origin.

word-forming element abstracted from information.