| 1 | 赛 | 賽 | sài | sai4 | to compete; competition; match; to surpass; better than; superior to; to excel | | |
| 2 | 赛博 | 賽博 | sài bó | sai4 bo2 | (loanword) cyber- | | |
| 3 | 赛轮思 | 賽輪思 | sài lún sī | Sai4 lun2 si1 | Cerence, US company providing AI-based automotive assistants | | |
| 4 | 赛氏篱莺 | 賽氏籬鶯 | sài shì lí yīng | Sai4 shi4 li2 ying1 | (bird species of China) Sykes's warbler (Iduna rama) | | |
| 5 | 赛璐玢 | 賽璐玢 | sài lù fēn | sai4 lu4 fen1 | cellophane (loanword) | | |
| 6 | 赛璐珞 | 賽璐珞 | sài lù luò | sai4 lu4 luo4 | celluloid (loanword) | | |
| 7 | 赛马 | 賽馬 | sài mǎ | sai4 ma3 | horse race; horse racing | | |
| 8 | 赛马场 | 賽馬場 | sài mǎ chǎng | sai4 ma3 chang3 | race course; race ground; race track | | |
| 9 | 赛马会 | 賽馬會 | sài mǎ huì | Sai4 ma3 hui4 | the Jockey Club, Hong Kong philanthropic organization (and former gentleman's club) | | |
| 10 | 赛马骑师 | 賽馬騎師 | sài mǎ qí shī | sai4 ma3 qi2 shi1 | a racing jockey | | |
| 11 | 赛跑 | 賽跑 | sài pǎo | sai4 pao3 | race (running); to race (running) | | |
| 12 | 赛普勒斯 | 賽普勒斯 | sài pǔ lè sī | Sai4 pu3 le4 si1 | Cyprus (Tw) | | |
| 13 | 赛事 | 賽事 | sài shì | sai4 shi4 | competition (e.g. sporting) | | |
| 14 | 赛龙船 | 賽龍船 | sài lóng chuán | sai4 long2 chuan2 | dragon-boat race | | |
| 15 | 赛手 | 賽手 | sài shǒu | sai4 shou3 | Racers | | |
| 16 | 赛特 | 賽特 | sài tè | Sai4 te4 | Seth (name) | | |
| 17 | 赛艇 | 賽艇 | sài tǐng | sai4 ting3 | boat race; racing ship or boat; rowing (sport) | | |
| 18 | 赛夏族 | 賽夏族 | sài xià zú | Sai4 xia4 zu2 | Saisiyat or Saisiat, one of the indigenous peoples of Taiwan | | |
| 19 | 赛先生 | 賽先生 | sài xiān sheng | Sai4 xian1 sheng5 | "Mr Science", phrase used during the May 4th Movement 五四运动 | | |
| 20 | 赛扬 | 賽揚 | sài yáng | Sai4 yang2 | Celeron (an Intel chip) | | |
| 21 | 赛义迪 | 賽義迪 | sài yì dí | Sai4 yi4 di2 | Said or Sayed (Arabic name) | | |
| 22 | 赛因斯 | 賽因斯 | sài yīn sī | sai4 yin1 si1 | science (loanword) | | |
| 23 | 赛珍珠 | 賽珍珠 | sài zhēn zhū | Sai4 Zhen1 zhu1 | Pearl S. Buck (1892-1973), American writer known for her novels on Asian cultures, Pulitzer Prize and Nobel Prize laureate | | |
| 24 | 赛德克族 | 賽德克族 | sài dé kè zú | Sai4 de2 ke4 zu2 | Seediq, one of the indigenous peoples of Taiwan | | |
| 25 | 赛百味 | 賽百味 | sài bǎi wèi | Sai4 bai3 wei4 | Subway (fast food restaurant) | | |