| 企業間信用 | inter-business credit |
| 軽信 | gullibility |
| 寄信 | sending a letter |
| 鳩信 | communication by carrier pigeon |
| 信金 | credit union (guild) |
| 信号待ち | waiting for a traffic light |
信じるに至る 信じるにいたる | to come to believe |
| 信用が増す | to gain more confidence |
| 信用がガタ落ちだ | a sudden fall in public estimation (e.g. into the gutter) |
| 信を問う | to make an appeal to the confidence of |
| 通信圏外 | out of the range of communication |
| 投信 | investment trust |
| 返信用 | for reply |
| 主信号 | main signal, traffic signal |
| 映像信号 | (computer) video signal |
| 自信家 | person who has great confidence (faith) in himself |
| 受信回路 | receiving circuit |
| 受信装置 | receiver, receiving set, receiving apparatus (equipment) |
| 受信料 | (radio, TV) license fee, licence fee |
| 信仰心 | (religious) piety |
| 信頼関係 | relationship of mutual trust, fiduciary relation |
| 短波受信機 | short-wave receiver |
| 通信工学 | communications engineering |
| 通信手段 | means of communication |
| 通信装置 | communications equipment, terminal, communications device |
| 停止信号 | stop signal, stoplight |
| 入力信号 | incoming signal, input signal |
| 発信局 | sending office |
| 有線通信 | cable communications |
| オープン投信 | open investment trust |
| スポット投信 | spot investment trust |
| 移動体通信 | mobile communications, cellular communications |
| スーパー受信機 | superheterodyne receiver |
| デジタル通信 | digital communication |
| ユニット型投資信託 | unit-type investment trust |
| 印刷電信 | printing telegraphy |
| 花信風 | spring wind telling the tidings of flowers |
| 確信犯 | premeditated crime, act carried out while knowing that it should not be |
| 株式投資信託 | stock investment trust |
| 公衆送信権 | public transmission rights (e.g. putting copyrightable material on the WWW or an FTP server) |
| モバイル通信 | mobile communications |
| 音楽配信サービス | music distribution service |
| 光通信技術 | photonic technology |
| 国際電信電話諮問委員会 | International Telegraph and Telephone Consultative Committee, CCITT |
| 信託基金 | trust fund |
| 信任票 | vote of confidence |
| 信用危機 | credit crunch |
| 信用調査会社 | credit research company |
信用買い 信用買 | margin buying, buying on credit |
| 政治不信 | distrust of politics, political uncertainty |
| 赤外線通信 | infrared data communication |
| 全二重通信 | full duplex transmission, full duplex communication |
| 総合デジタル通信網 | integrated services digital network, ISDN |
| 着信メロディー | ring tone |
| 長期信用銀行 | long-term credit bank, LTCB |
| 通信インフラ | communications infrastructure |
| 通信会社 | telco, telecommunications company, common carrier |