Here's what rhymes with postpertussis.
pertussis Words that almost rhyme with postpertussis
buses trusses luscious buzzes maces pluses fusses plusses musses susses wusses brushes gushes entices knavish clevis rebuses shushes fuzzes airbuses crushes flushes rhombuses iambuses nimbuses minibuses trolleybuses ingresses incubuses dhotis budgets aphasics gussets russets injustice subsets summits lioness pundits rustics davits junkets spadix muftis whatsits heretics suffix drumsticks gunships huntress plumpness portcullis scentless alembics meninx odalisques sputniks whodunits solemnness sundecks subjects republics culprits occultists cultists muralists prescripts subscripts constricts sculptress mentalists discomfits sextuplets speleologists executrix