Here's what rhymes with ignotance.
                        
                        
                    
                                Words that almost rhyme with ignotance
innocence  impotence  impetus  indolence  insolence  immanence  imminence  innocents  irritants  tinnitus  infamous  vigilance  dissonance  ligaments  virulence  intimates  militants  minimised  minuteness  insulates  visitants  bigamous  irrigates  immigrants  incidents  synthesis  implements  filaments  increments  limitless  mischievous  omnipotence  silicates  villainous  sycophants  symbolise  stigmatise  ministrants  instruments  stimulus  ambivalence  equivalence  wickedness  cheerfulness  frivolous  stimulants  synchronous  chivalrous  dissidents  sinfulness  solicitous  syllabus  vividness  fearlessness  felicitous  littleness  polygamous  singleness  fickleness  wilfulness  epitomised  fearfulness  nimbleness  victimised  willfulness  epitomise  winsomeness  cheerlessness  fitfulness  witlessness  cymbalists  timpanists  indigenous  equivalents  magnificence  antithesis  asynchronous  umbilicus  gingivitis  brittleness  listlessness  legitimates  legitimised  precipitants  vertiginous  wistfulness  shiftlessness  blissfulness  equivocates  skillfulness  assiduousness  ridiculous  meticulous  unambiguous  articulates  peristalsis  religionists  traditionalists  predicaments  religiousness  infelicitous  ambitiousness  litigiousness  participants  abolitionists  particulates  coreligionists  imprisonments  geosynchronous  grandiloquence  gesticulates  individuates  coalitionists  nutritiousness  prohibitionists  exhibitionists  repetitiousness  surreptitiousness  nonequivalents  conjunctivitis  expeditiousness  nonparticipants