Here's what rhymes with tabaccum.
sachem Words that almost rhyme with tabaccum
blacken bracken wagon dragon slacken flagon datum talcum maxim chasm fathom madam spasm tandem madame plasm tantum bantam pablum handsome random platinum stratum amalgam phantom ransom magnum sanctum tantrum hansom macadam phantasm transom cytoplasm neoplasm gladsome sphagnum substratum nonrandom tarmacadam memorandum protoplasm enthusiasm iconoclasm