Translated exactly from 'seiwa,' this can mean "Spanish-Japanese" (like Spanish to Japanese dictionary).
Sei means "star"
整合性 Seigō-sei
正義 /sei gi/.
サターン /sa taan/ is general Japanization of the word. As for the planet 土星 /do sei/ is the Japanese word.
Chi sei? in Italian is "Who are you?" in English.
製品 (せいひん) (sei・hin) products/ goods.
Sei bravo! in Italian means "You're good" in English.
Sei bella! in Italian means "You're beautiful!" in English.
彗星 /sui sei/ means 'comet' in Japanese. 流れ星 /na ga re bo shi/ is the Japanese term for 'shooting star'. 流星 /ryuu sei/ also means 'shooting star, meteor' but more in scientific/literal usage.
Tigrotta sei! in Italian means "You're a little tiger!" in English.
Perché sei arrabbiato? in Italian means "Why are you angry?" in English.
Holy translates into Sei
Sei filippino? or Sei delle Filippine?