通信【つうしん】
correspondence, communication, transmission, news, signal, telecommunications
自信【じしん】
self-confidence, confidence (in oneself)
不信【ふしん】
distrust, mistrust, disbelief, discredit, insincerity, impiety, faithlessness
信用【しんよう】
confidence, trust, faith, reputation, credit (finance)
信頼【しんらい】
reliance, trust, faith, confidence
信託【しんたく】
trust, entrusting, leaving in someone's trust
信号【しんごう】
signal, signalling, signaling, traffic light, traffic signal
受信【じゅしん】
receiving (a message, letter, email, etc.), reception (radio, TV, etc.)
信念【しんねん】
belief, faith, conviction
信仰【しんこう】
(religious) faith, belief, creed
信任【しんにん】
trust, confidence, credence
所信【しょしん】
belief, conviction, opinion
発信【はっしん】
dispatch, despatch, transmission, submission, informing (e.g. of opinion), sharing (thoughts, etc.), telling
信者【しんじゃ】
believer, adherent, devotee, follower, fanboy, fanatic, superfan
確信【かくしん】
conviction, belief, confidence
威信【いしん】
prestige, dignity
信条【しんじょう】
creed, belief, conviction, article of faith
返信【へんしん】
reply (e.g. email, fax, letter), answer
送信【そうしん】
transmission, sending
逓信【ていしん】
communications (e.g. post, telegraph)