[さい, sai] (pref, adj-na) (1) the most; the extreme; (adj-t, adv-to) (2) (See 最たる) prime; conspicuous #1986
[さいしゅう, saishuu] (n, adj-no) last; final; closing; (P) #585
[さいご, saigo] (n, adj-no) (1) last; end; conclusion; latest; most recent; (exp) (2) (after -tara form or -ta form followed by "ga") no sooner than; right after (often having negative consequences); (3) (arch) (See 最期) one's final moments; (P) #683
[さいしょ, saisho] (adj-no, n-adv, n-t) beginning; outset; first; onset; (P) #743
[さいこう, saikou] (adj-na, n, adj-no) highest; supreme; the most; (P) #757
[さいだい, saidai] (n, adj-no) greatest; largest; maximum; (P) #909
[もっとも, mottomo] (adv) most; extremely; (P) #1055
[さいきん, saikin] (adj-no, n-adv, n-t) most recent; these days; right now; recently; nowadays; (P) #2103
[さいゆうしゅう, saiyuushuu] (adj-no) best; most (valuable player); top (quality); grade A; ace; finest #2106
[さいしん, saishin] (n, adj-no) latest; newest; late-breaking (news); (P) #2158