• 複利ふくり

  compound interest

• 複合ふくごう

  composite, combined, complex

• 複数ふくすう

  plural, multiple

• 複製ふくせい

  reproduction, duplication, reprinting

• 複写ふくしゃ

  copying, duplication, reproduction, copy

• 複雑ふくざつ

  complex, complicated, intricate, mixed (feelings)

• 重複ちょうふく

  duplication, repetition, overlapping, redundancy, restoration

• 複雑さふくざつさ

  complexity

• 複ふく

  compound, composite, multiple, re-, bi-

• 複占ふくせん

  duopoly

• 複体ふくたい

  complex

• 複婚ふくこん

  polygamy

• 複衣ふくい

  lined garment

• 複塩ふくえん

  double salt

• 複眼ふくがん

  compound eye

• 複素ふくそ

  complex

• 複方ふくほう

  compound drug

• 複星ふくせい

  multiple star

• 複勝ふくしょう

  placing bets

• 複線ふくせん

  double track, two-track line

• 複視ふくし

  double vision, polyopia

• 複座ふくざ

  two-seater (e.g. aircraft)

• 複葉ふくよう

  compound leaf, biplane

• 複号ふくごう

  double sign, plus-minus sign, plus or minus sign

• 複層ふくそう

  multi-layered, multi-tiered, multi-storied

• 複音ふくおん

  compound note (on a harmonica)

• 複比ふくひ

  compound ratio, cross ratio, compound proportion

• 複式ふくしき

  double-entry (e.g. bookkeeping)

• 複垢ふくアカ

  multiple accounts (e.g. on social media)

• 複相ふくそう

  diploid phase (of an organism, cell, etc.), diploid state, diplophase

• 複文ふくぶん

  complex sentence, sentence with an independent clause and at least one dependent clause

• 複姓ふくせい

  two-character surname (in China), compound surname

• 単複たんぷく

  simplicity and complexity, singular and plural, single and double, singles and doubles (in tennis)

• 連複れんぷく

  quinella (bet), dual forecast, reverse forecast

• 複葉機ふくようき

  biplane

• 複母音ふくぼいん

  diphthong

• 複数個ふくすうこ

  multitude

• 複合体ふくごうたい

  complex

• 複峰性ふくほうせい

  bimodal

• 複素環ふくそかん

  heterocycle

• 複数形ふくすうけい

  plural form

• 複写紙ふくしゃし

  copying paper

• 複雑化ふくざつか

  complication

• 複本位ふくほんい

  double standard

• 複素数ふくそすう

  complex number

• 複数回ふくすうかい

  several times

• 複数人ふくすうにん

  multiple people

• 複眼的ふくがんてき

  multifaceted

• 複合語ふくごうご

  compound word, compound term

• 複雑系ふくざつけい

  complex system