• 祭壇さいだん

  altar

• 祭典さいてん

  festival

• 祭礼さいれい

  (religious) festival

• 祭日さいじつ

  national holiday, festival day

• 祭るまつる

  to deify, to enshrine

• 祭りまつり

  festival, feast, matsuri

• 葬祭そうさい

  funerals and ceremonial occasions

• 芸術祭げいじゅつさい

  art festival

• 慰霊祭いれいさい

  memorial service

• 前夜祭ぜんやさい

  event held the night before another event, eve (of a festival) (e.g. Christmas Eve)

• ひな祭りひなまつり

  Hinamatsuri (March 3), Girls' Festival, Dolls' Festival

• 後の祭りあとのまつり

  a day after the fair, (at a) stage when it's too late

• 冠婚葬祭かんこんそうさい

  important ceremonial occasions in family relationships

• 祭司さいし

  priest

• 祭儀さいぎ

  rites, ritual

• 祭式さいしき

  rites, rituals

• 祭場さいじょう

  ceremony site

• 祭殿さいでん

  shrine, sanctuary

• 祭神さいじん

  enshrined deity

• 祭事さいじ

  festival, rites, ritual

• 祭政さいせい

  church and state

• 祭器さいき

  equipment used in rituals

• 祭主さいしゅ

  (head) priest, head priest of the Ise Shrine

• 祭祀さいし

  ritual, religious service, festival

• 祭具さいぐ

  equipment used in a ritual, ritual implement

• 祭官さいかん

  official who arranges festival and rites

• 祭服さいふく

  vestments worn by priests and attendants (Shinto, Christian, etc.)

• 祭文さいぶん

  address to the gods, type of song which spread from mountain hermits to the laity during the Kamakura era

• 助祭じょさい

  deacon (Catholic)

• 供祭ぐさい

  offerings, offerings and worship

• 鎮祭ちんさい

  religious ceremony (to appease the gods)

• 祝祭しゅくさい

  festivals, feasts

• 葵祭あおいまつり

  Aoi Festival (Kyoto, May 15), Aoi Matsuri

• 司祭しさい

  priest, minister, pastor

• 奇祭きさい

  strange festival, odd festival

• 勅祭ちょくさい

  festival held by imperial order

• 合祭ごうさい

  enshrining together

• 侍祭じさい

  acolyte

• 例祭れいさい

  regular festival, annual festival

• 燔祭はんさい

  burnt offering (i.e. religious animal sacrifice)

• 年祭ねんさい

  anniversary

• 獺祭だっさい

  arraying a number of reference books in order to compose poetry, literary composition crammed with maxims, ancient episodes, legends, etc.

• 弔祭ちょうさい

  memorial service

• 学祭がくさい

  school festival

• 親祭しんさい

  rites conducted by the emperor

• 大祭たいさい

  grand festival

• 喪祭そうさい

  funerals and festivals

• 本祭ほんまつり

  main festival, main day of a festival

• 魂祭たままつり

  ceremony honouring the spirits of ancestors (esp. the Bon festival)

• 火祭ひまつり

  fire festival (often celebrating the absence of fires)