[けい, kei](n, n-suf) (1) system; lineage; group; (2) { math } corollary; (3) (geological) system (range of strata that correspond to a particular time period); (4) (taxonomical) series; (P)#222[Add to Longdo]
[けいれつ, keiretsu](n) (1) series; sequence; system; order of succession; (2) keiretsu (conglomeration of businesses linked by cross-shareholdings); (P)#1068[Add to Longdo]
[かんしゅう, kanshuu](n, vs) (1) (editorial) supervision; general editorship; (n) (2) supervising director (of anime, TV series etc.); (P)#2241[Add to Longdo]