Compounds of 系

• 系
  (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)
• ＠系
  (n) roguelike (character display computer game)
• Ａ系
  (n,adj-no) (abbr) (sl) Akihabara style
  nerdy
• Ｂ系
  (n,adj-no) (sl) hip-hop culture
  Black culture (esp. breakdancing culture)
• Ｖ系
  (n) visual-kei (Japanese rock indies style)
• 一系
  (n) single-family lineage
• 家系
  (n) family lineage
  (P)
• 河系
  (n) river system
• 区系
  (n) ecozone (biogeographical realm)
• 系図
  (n) family tree
  pedigree
  genealogy
  (P)
• 系統
  (n) system
  family line
  geological formation
  lineage
  ancestry
  (P)
• 系譜
  (n) genealogy
  pedigree
  (P)
• 系列
  (n) (1) series
  sequence
  system
  order of succession
  (2) keiretsu (conglomeration of businesses linked by cross-shareholdings)
  (P)
• 国系
  (suf) country of origin
  ethnicity
• 山系
  (n) mountain range
  mountain system
  (P)
• 純系
  (n,adj-no) pure bloodline
• 女系
  (n) female line
  matrilinear
• 女系
  (n) female line
  matrilinear
• 水系
  (n) drainage system
  (P)
• 正系
  (n) legitimate line
  direct descent
• 体系
  (n) system
  organization
  organisation
  architecture
  (P)
• 大系
  (n) outline
  survey
  compendium
• 男系
  (n,adj-no) male lineage
• 直系
  (n,adj-no) direct descent
  direct line
  (P)
• 同系
  (n,adj-no) affiliated
  akin
• 日系
  (n,adj-no) (of) Japanese descent
  (P)
• 父系
  (n,adj-no) agnate
• 文系
  (n,adj-no) humanities, social sciences, and fine arts
  liberal arts
  (P)
• 母系
  (n,adj-no) maternal line
  mother's side of the family
• 傍系
  (n,adj-no) collateral family
  subsidiary line
  affiliate