Here's what rhymes with postdiphtheric.
lyric satiric empiric hemispheric stratospheric Words that almost rhyme with postdiphtheric
idyllic basophilic acrylic hydrophilic carboxylic eosinophilic civic citric physic cynic thymic cystic acidic mimic mythic lithic lytic gimmick zoophytic sylphic specific critic clinic mystic rhythmic terrific picnic horrific limbic pacific theistic arrhythmic diptych pinprick sophistic philippic flyspeck nitpick holistic parasitic prolific autistic cryptic dendritic ecliptic elliptic lipstick rabbinic sadistic syphilitic arthritic atheistic honorific porphyritic saprophytic triptych aphoristic bulimic dipstick nephritic periwig juridic bromidic scientific artistic analytic intrinsic stylistic extrinsic hemolytic heuristic pessimistic statistic ballistic dualistic granitic logistic paralytic phenotypic socialistic egoistic haemolytic hydrolytic impolitic juristic metaphysic monistic neolithic pantheistic patristic polycystic chauvinistic patronymic polytheistic surrealistic unspecific jingoistic casuistic encephalitic cenobitic puristic linguistic realistic optimistic catalytic idealistic journalistic logarithmic monolithic nonspecific simplistic narcissistic proteolytic synergistic algorithmic animistic antiarrhythmic fatalistic futuristic hedonistic hieroglyphic novelistic positivistic syllogistic antisemitic egotistic megalithic shamanistic voyeuristic euphemistic inartistic palaeolithic paleolithic pantomimic transpacific nonrhythmic unrealistic apocalyptic deterministic humanistic mechanistic naturalistic probabilistic altruistic capitalistic moralistic opportunistic paternalistic pluralistic relativistic ritualistic unscientific cataclysmic fibrinolytic legalistic militaristic monotheistic organismic thrombolytic eulogistic feudalistic hermaphroditic pugilistic belletristic overoptimistic nepotistic polyclinic coenobitic antagonistic psychoanalytic materialistic nationalistic electrolytic rationalistic communistic impressionistic expressionistic nonscientific characteristic individualistic monopolistic anachronistic imperialistic oligopolistic sociolinguistic universalistic cannibalistic spiritualistic uncharacteristic