Words That Rhyme With "Posticous" :

2 syllables:

brightest, caucus, coccus, crocus, floccus, focus, fracas, fucus, glaucous, Glaucus, Gracchus, hocus, ligas, lightest, likeness, lochus, locus, Lucas, mightest, mucous, mucus, Pecos, picas, Picus, raucous, Rigas, ruckus, situs, slightest, trochus, whitest

3 syllables:

alikeness, amicus, caducous, Caracas, Cocytus, defocus, detritus, dioicous, Formica's, Granicus, monoicous, paroicous, pruritus, pyritous, refocus, synoicous, tinnitus, unlikeness

4 syllables:

callipygous, catamitus, cryptozygous, diplococcus, gonococcus, hemizygous, Heraclitus, homozygous, isopachous, micrococcus, monozygous, pneumococcus, seromucous, streptococcus, tetracoccus

5 syllables:

Dryopithecus, enterococcus, Hermaphroditus, heterozygous, meningococcus, pediococcus, staphylococcus