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Synonyms and antonyms

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• English language -- Synonyms and antonyms
• Greek language, Biblical -- Synonyms and antonyms
• Spanish language -- Synonyms and antonyms

• Antonyms

• Crabb's English Synonymes (revised and enlarged; New York and London: Harper and Brothers, c1917), by George Crabb, contrib. by John H. Finley (multiple formats at archive.org)
• A Dictionary of English Synonymes and Synonymous or Parallel Expressions (1871 edition), by Richard Soule (frame- and JavaScript-dependent HTML at Bibliomania)
• English Synonyms Explained in Alphabetical Order, With Copious Illustrations and Examples Drawn From the Best Writers (London: George Routledge and Sons, ca.1902), by George Crabb (multiple formats at archive.org)
• Merriam-Webster's Collegiate Thesaurus (current edition, with additional material) (searchable HTML at m-w.com)
• Roget's International Thesaurus of English Words and Phrases (New York: Thomas Crowell Company, 1922), ed. by C. O. Sylvester Mawson and Peter Mark Roget (searchable HTML at Bartleby)
• A Selection of English Synonyms (London: J. W. Parker, 1851), by E. J. Whately, ed. by Richard Whately (page images at HathiTrust)
• A Selection of English Synonyms (first American edition, revised and enlarged from the second London edition; Boston and Cambridge: J. Munroe and Co., 1852), by E. J. Whately, ed. by Richard Whately (page images at HathiTrust)
• Your Every-Day Vocabulary: How to Enlarge It (Evanston, IL: Correct English Pub. Co., c1918), by Josephine Turck Baker (page images at HathiTrust)

• Merriam-Webster's Dictionary of Synonyms: A Dictionary of Discriminated Synonyms, With Antonyms and Analogous and Contrasted Words (c1984) (page images at Google)

• The Interlinear Literal Translation of the Greek New Testament: With the Authorized Version Conveniently Presented in the Margins for Ready Reference, and with the Various Readings of Elzevir 1624, Griesbach Lachmann, Tischendorf, Tregelles, Alford and Wordsworth; To Which Has Been Added a New Greek-English New Testament Lexicon (Greek and English texts provided; New York: Hinds, Noble and Eldredge, c1897), contrib. by George Ricker Berry
  • multiple formats at archive.org
  • page images at HathiTrust

• Diccionario de Sinónimos de la Lengua Castellana (second edition, in Spanish; Paris: Impr. de Mme. Lacombe, 1852), by Pedro María de Olive
  • multiple formats at archive.org
  • page images at HathiTrust

Items below (if any) are from related and broader terms.