<title type="display">irreconcilable</title> Pronúncia: ɪˈrɛkənˈsaɪləbəl adjective irreconciliable, inconciliable.
<title type="display">irreducible</title> Pronúncia: ˈɪrɪˈdjuːsɪbəl; US: ˈɪrɪˈduːsəbəl adjective irreductible.