Here's what rhymes with pentobarhital.
fetal beetle varietal inositol requital centripetal Words that almost rhyme with pentobarhital
people needle feeble beadle wheedle steeple enfeeble laypeople legal renal lethal penal diesel fecal regal siecle phenyl thiol venal weasel weevil phial beagle seagull wheal decal riyal teasel resole teazel illegal peaceful unequal adrenal genial needful sequel duodenal upheaval authorial deceitful feveral labial pineal gleeful notarial gonorrheal heedful respell medieval cathedral primeval lacrimal bilabial canticle coequal paralegal nonlegal nonlethal retrieval congenial estradiol octahedral tetrahedral polyhedral inveigle extralegal uncongenial