ISSN
The verdict
“ISSN” is a moderately-common German word, ranked #41,924 in German word frequency and used as an abbreviation.
- #41,924
- frequency rank, German
- 4
- letters
- 5
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - International Standard Serial Number, wörtlich Internationale Standardseriennummer, eine international eingeführte Nummer zur Identifikation periodischer Sammelwerke (Schriftenreihen, Zeitschriften...
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | ISSN |
| Language | German |
| Part of speech | Abbreviation |
| Letters | 4 |
| Frequency rank | #41,924 |
| Misspellings tracked | 5 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “ISSN” sits in German frequency
Spelling & Dictionary Insight
The German entry for ISSN is 4 letters long, classified as an abbreviation. Corpus data places it at rank #41,924 in overall German word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "International Standard Serial Number, wörtlich Internationale Standardseriennummer, eine international eingeführte Nummer zur Identifikation periodischer Sammelwerke (Schriftenreihen, Zeitschriften...".
Our generated misspelling index lists 5 likely wrong-spelling variants for ISSN, with forms such as "isn", "isns", and "issnn". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "ist", "its", "ius", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Wiktionary doesn't record an etymology for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct German form is ISSN, spelled I-S-S-N.
Definition
- 1International Standard Serial Number, wörtlich Internationale Standardseriennummer, eine international eingeführte Nummer zur Identifikation periodischer Sammelwerke (Schriftenreihen, Zeitschriften, Zeitungen etc.)
Common misspellings
Also misspelled as: isn,isns,issnn,ißn,sisn
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of ISSN - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 German corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "ISSN"?
What does "ISSN" mean?
What words are commonly confused with "ISSN"?
What language does "ISSN" come from?
Is PlainSpell free to use?
Using “ISSN”
The practical upshot for anyone who landed here from a spell-check.
- The one correct German spelling is I-S-S-N - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “ist” - see the side-by-side comparison. ISSN vs ist
- Browse more German words and confusable pairs in the same reference. German words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.