WordNet: letter, missive

a written message addressed to a person or organization; "mailed an indignant letter to the editor"

• hypernym document

• hypernym text, textual matter

• hyponym business letter

• hyponym cover letter, covering letter

• hyponym crank letter

• hyponym encyclical, encyclical letter

• hyponym fan letter

• hyponym personal letter

• hyponym form letter

• hyponym open letter

• hyponym chain letter

• hyponym pastoral

• hyponym round robin

• hyponym aerogram, aerogramme, air letter, airmail letter

• hyponym epistle

• hyponym dead letter, dead mail

• hyponym letter of intent

• hyponym invitation

• part holonym mail

• part holonym correspondence

letter

• (suomi) kirje (synonyymi)

missive

• (suomi) kirje (synonyymi)