Isbn

4 lettersnounmoderate

Updated August 2026

Definition

International Standard Book Number: a unique reference number assigned to a published edition of a book.

“Quote the ISBN when ordering the second edition.”

Related Words

Synonyms

international standard book number

Word Game Tips

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Wordle

"Isbn" uses 4 different letters, which makes it efficient for eliminating options. Its 1 vowel balance the consonants.

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Scrabble

"Isbn" is worth 6 points before board bonuses. Aim its letters at double/triple-letter and word squares to lift the score.

Words Related to Isbn

Anagrams of Isbn

Words that use exactly the same letters as “isbn”.

bins nibs

Words one letter different

Change a single letter of “isbn” to make these 4-letter words — useful for Wordle and crossword clues.

isba

Add a letter to make a longer word

5-letter words you can spell by adding one letter to “isbn”.

basin besin biens binds bines bints bison brins nabis nobis sabin snibs

Explore Similar Words

4-letter words starting with I 4-letter words ending with N All 4-letter words 5-letter words All word lists

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Dictionary References

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