Words That Rhyme With "Raucous" :

2 syllables:

caucus, coccus, floccus, glaucous, Glaucus, lochus

4 syllables:

diplococcus, gonococcus, micrococcus, pneumococcus, streptococcus, tetracoccus

5 syllables:

enterococcus, meningococcus, staphylococcus