WahnvswhyWhat's the difference?

Quick tell: Wahn is a noun, why is an adverb, so they fill different roles in a sentence.

Which to use

“Wahn” is a noun and “why” is an adverb - they look or sound alike but fill different roles in a sentence.

#15,521
“Wahn” frequency rank
#11,570
“why” frequency rank
27091
confusion score

Side-by-Side Comparison

Feature Wahn why
Definition falsche Vorstellung warum

Where the eye mixes Wahn and why

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Wahn
3 ch
why

Why the eye confuses Wahn with why

These two trip readers on the page rather than in the ear: Wahn is [vaːn] while why is [waɪ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 27091, derived from the frequency rank of both members and their visual similarity.

Wahn is recorded at frequency rank #15,521, classified as anoun, pronounced [vaːn]. why is at rank #11,570, tagged as anadv, pronounced [waɪ].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 27091, this pair ranks #1,807,498 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Wahn vs why

Shared letters: hw. Private to "Wahn": an. Private to "why": y.

"Wahn" · 4 letters · shape CVCC  ·  "why" · 3 letters · shape CCV

Known mistypes of this pair

  • Wahnawhn · wahhn · wahnn · wanh · whan · wwahn

Frequently Asked Questions

Can "Wahn" and "why" be used interchangeably?
No - they are not even the same part of speech. "Wahn" is a noun and "why" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Wahn" or "why"?
"why" is the more common of the two: it sits at frequency rank #11,570 in our German list, against #15,521 for "Wahn". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Wahn" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "why" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,807,498 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Wahn" and "why" also get mixed up with nearby pairs, the highest-scored neighbour is "Wahn vs wash". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #1,807,498 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list