Letter

信

Believe, Correspondence, Credentials, Evidence, Faith, Indicator, Indicators, Information, Letter, Mail, Message, News, Sign, Tongue, Trust

函

Armour, Contain, Correspondence, Envelope, For, Letter, Mail, Sheath

字

Character, Letter, Symbol, Word

封

Confer, Envelope, Grant, Letter, Mw, Seal, Shut

尺

Approximately, Book, Correspondence, Dimension, Letter, Measure, Measurement, Musical, Mw, Scale, Unit-Of-Length

書

Book, Document, Letter, Note, Writing

札

Correspondence, Letter, Note, Take

柬

Card, Choose, Invitation, Letter

箋

Comment, Letter, Memo, Note, Stationary

簡

Appoint, Brief, Choose, Correspondance, Designate, Letter, Select, Simple, Succinct, Terse, Treat

緘

Bind, Close, Letter, Seal

來信

Letter, Send

信件

Letter

字母

Alphabet, Letter, Letters

封信

Email, Letter, Message

郵件

Letter, Letters, Mail