irrational

[ˈɪʁat͡si̯onaːl]

/[ˈɪʁat͡si̯onaːl]/ adj

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“irrational” has 12 generated spelling variants in the German index at frequency #36,424. The variants make it a useful spelling check.

#36,424
frequency rank, German
1,488
“I” headwords
12
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - ohne Vernunft

Corpus desk

Index DE-irrational · irrational · German

irrational · rank #36,424 · 12 variants · 2 confusables

  • FREQ-MID #36,424
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-LOW 2 pairs
  • VAR-MID 12 variants
  • BOOK-MID 1,488
  • PHOTO-FINISH innovativer

Nearest frequency peer: innovativer (-1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rang-Peers am Tippfehler-Magneten „irrational“

Gleiche Seltenheitsbandbreite: nützlich, wenn ein Tippfehler auf ein Peer-Lemma trifft

corpus weight

What this shows „irrational“ sitzt unter diesen FrequencyWords-Peers; die Tippfehlertiefe steht separat im Edit-Distance-Chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

irrational vs irrationale
91% similar
irrational vs irrationalen
83% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for irrational
PropertyValue
Headwordirrational
LanguageGerman
Part of speechAdjective
IPA[ˈɪʁat͡si̯onaːl]
Letters10
Frequency rank#36,424
Misspellings tracked12
Confusable pairs2
SourceWiktionary (kaikki.org)

Häufigkeitslage von Tippfehler-Magnet „irrational“

Die Häufigkeit läuft von den wenigen Alltagswörtern (links) bis zur langen, seltenen Schwanzseite (rechts).irrationalliegt hier neben dem Tippfehler-Druck:

#1#100#1K#10K#100K
← used constantlyrarely used →

Die Skala ist logarithmisch (jeder Tick ≈ 10× seltener). Peers derselben Seltenheitsbandbreite: „innovativer“ (#36,423), „irrationale“ (#36,425), „innerstädtischen“ (#36,422). Unter 1,488 „I“-Lemmata liegt „irrational“ bei #36,424. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 12 spelling variants around irrational (IPA [ˈɪʁat͡si̯onaːl]), anadjective. Corpus frequency is #36,424 among 1,488 “I” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 12 likely wrong-spelling variants for irrational, with forms such as "irartional", "irational", and "irraitonal". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 2 confusable-pair relationships, "irrationale", "irrationalen", where similar look or sound leads writers to substitute one word for another in context.

No documented word history exists for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct German form is irrational, spelled I-R-R-A-T-I-O-N-A-L.

Definition

  1. 1
    ohne Vernunft
  2. 2
    nicht nachvollziehbar, nicht durch Überlegungen zu begreifen
  3. 3
    in keinem Verhältnis, nicht als Bruch darstellbar

Recorded use

Wiktionary examples

These source excerpts show how irrational appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. „In Massen würden nach der Massenpsychologie von G. Le Bon Menschen durch emotionale Ansteckung irrational, hysterisch und führungsbedürftig.“
  2. Menschliches Herdenverhalten ist irrational, denn es lässt sich nicht zufriedenstellend erklären.

Antonyms

rationalrationell

This word in other languages

irrational(English)irracional(Español)irrationnel(Français)

Common misspellings

Also misspelled as:

  • irartional
  • irational
  • irraitonal
  • irratinoal
  • irratioanl
  • irrationall
  • irrationla
  • irrationnal
  • irratoinal
  • irrattional
  • irrtaional
  • rirational

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of irrational - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

irartional2irational1irraitonal2irratinoal2irratioanl2irrationall1irrationla2irrationnal1
Edit distance from "irrational"

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 "irrational"?
"irrational" is spelled I-R-R-A-T-I-O-N-A-L. The IPA pronunciation is [ˈɪʁat͡si̯onaːl].
What does "irrational" mean?
As an adjective, "irrational" means: ohne Vernunft
What words are commonly confused with "irrational"?
"irrational" is commonly confused with "irrationale", "irrationalen". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "irrational"?
The IPA (International Phonetic Alphabet) transcription for "irrational" is [ˈɪʁat͡si̯onaːl]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "irrational" come from?
"irrational" is a German word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar German words by spelling shape

Same letter count and similar misspelling depth for "irrational", not the corpus desk frequency band.

Same letter count

Frequency-ranked German headwords with 10 letters (nearest by frequency rank).

Impfstoffe#36,412Ibbenbüren#36,409Kirschbaum#36,445hochfahren#36,399

Similar misspelling depth

Headwords with a similar count of attested misspellings (12 here; floor ≥5).

Horoskop12 variantshellbraun12 variantsLaufband12 variantsglühende12 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list