Conscientious rhymes with:
contentious, pretentious, tendentious, unpretentious, conscious, contentious, pretentious, subconscious, tendentious, unconscious, unpretentious
Conscientious sounds like:
cincinnati's, consents, consonants, consummates
contentious, pretentious, tendentious, unpretentious, conscious, contentious, pretentious, subconscious, tendentious, unconscious, unpretentious
cincinnati's, consents, consonants, consummates