Chinese words pronounced hài (4th tone) hai in any tone, all 15 words 6 words. 害(hài) to do harm to 嗐(hài) exclamation of regret 骇(hài) to astonish 氦(hài) helium 亥(hài) 12th earthly branch: 9-11 p.m., 10th solar month (7th November-6th December), year of the Boar 餀(hài) tainted food 6 words. 害(hài) to do harm to 嗐(hài) exclamation of regret 駭(hài) to astonish 氦(hài) helium 亥(hài) 12th earthly branch: 9-11 p.m., 10th solar month (7th November-6th December), year of the Boar 餀(hài) tainted food