Il numero 9, nove in Italiano, in Inglese si dice nine.
Il numero ordinale 9° in inglese si dice ninth.
1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen