Consciousness rhymes with:
contentiousness, cautiousness, contentiousness, fractiousness, graciousness, hellaciousness, callousness, carelessness, cautiousness, contagiousness, contentiousness, dangerousness, disingenuousness, fractiousness, graciousness, hellaciousness, helplessness, homelessness, hopelessness, joblessness, lawlessness, nervousness, outrageousness, pompousness, powerlessness, rebelliousness, recklessness, restlessness, righteousness, ruthlessness, seriousness, surfaceness, weightlessness
Consciousness sounds like:
chang-ming, changing, cheng-chung, chengxiang, chenxiang, chongqing, cognizance, commencing, commission's, commissioning, commissions, commonsense, communism's, concessions, conchemco, concussions, conscience, consciences, consensus, consequence, consequences, consumes, consuming, cunningham's