Here's what rhymes with hyperexcitability.
excitability stability durability suitability audibility edibility arability facility inability liability disability credibility visibility motility sterility culpability gentility readability separability pliability puerility tenability likability likeability notability risibility liveability potability quotability instability variability desirability permeability accessibility eligibility inevitability infertility advisability comparability immobility usability affability fallibility immutability mutability portability gullibility inseparability unsuitability changeability flammability curability equability habitability incredibility livability provability attainability inaudibility venerability humility sensibility profitability vulnerability plausibility sustainability infallibility predictability tranquility convertibility dependability unavailability invincibility perfectibility serviceability amenability fusibility miscibility tractability inadvisability incorrigibility ineligibility inflammability invariability manageability navigability immovability inexorability memorability reputability marriageability useability impossibility incompatibility respectability insensibility intelligibility digestibility interoperability invulnerability maneuverability marketability impermeability incivility intractability irascibility undesirability biodegradability impassibility ineffability penetrability nonavailability inflexibility unreliability interchangeability suggestibility impenetrability implausibility impregnability inalienability inconceivability impressionability demonstrability reproducibility unpredictability manoeuvrability destructibility incontestability indispensability indestructibility Words that almost rhyme with hyperexcitability
passivity virginity chillingly tepidity typically willingly stupidity avidity duplicity hyperactivity civilly positivity hillbilly torpidity idyllically piggishly authenticity ethnicity rigidly admittedly anonymity inactivity iniquity judiciously lucidity mimicry unwillingly cupidity fittingly ubiquity wickedly cyclically derisively wittingly insipidity officiously piercingly rancidity serendipity terrifically atypically thrillingly forbiddingly gimmickry limpidity pacifically permissively uncivilly untypically winningly stiltedly specifically principally sensitivity multiplicity objectivity subjectivity connectivity unwittingly artistically equanimity maliciously receptivity emissivity infectivity interactivity intrepidity prodigiously rhythmically transitivity capriciously mystically submissively whimsically flaccidity injudiciously juridically logistically lyrically frigidly impassivity bewitchingly befittingly inimically searingly skittishly apolitically analytically exquisitely unthinkingly cryptically dismissively elliptically prolifically sneeringly synchronicity fatalistically idealistically unstintingly egotistically horrifically unblinkingly agonisingly avariciously lubriciously cliquishly convincingly distinctively realistically reflexivity stylistically unflinchingly unremittingly holistically opportunistically vindictively patronisingly aphoristically egoistically surrealistically domineeringly insistingly patronymically instinctively descriptively euphemistically heuristically psychoanalytically simplistically altruistically restrictively prescriptively capitalistically legalistically moralistically characteristically linguistically unrealistically unconvincingly antagonistically anachronistically materialistically imperialistically uncharacteristically