Words with 8 syllables

authoritarianism (ʌˌθɔ:rʌˈteri:ʌˌnɪzʌm)
egalitarianism (i:ˌgælʌˈteri:ʌˌnɪzʌm)
epidemiological (ˌepʌdi:mi:ʌˈlɑ:dʒɪkʌl)
heterosexuality (ˌhetɜ:əʊsekʃʌˈwælɪti:)
internationalization (ˌɪntɜ:ˌnæʃʌnʌlɪˈzeɪʃʌn)
internationalization (ˌɪnɜ:ˌnæʃʌnʌlɪˈzeɪʃʌn)
totalitarianism (ˌtəʊˌtælʌˈteri:ʌˌnɪzʌm)