BahnvsbaiWhat's the difference?

Quick tell: Bahn is a noun, bai is an adjective, so they fill different roles in a sentence.

Which to use

“Bahn” is a noun and “bai” is an adjective - they look or sound alike but fill different roles in a sentence.

#774
“Bahn” frequency rank
#36,213
“bai” frequency rank
36987
confusion score

Side-by-Side Comparison

Feature Bahn bai
Definition Strecke, die von einem Körper in einer vorgeschriebenen Richtung durchmessen wird von bräunlich roter Fellfarbe; rotbraun, braun

Where the eye mixes Bahn and bai

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

4 ch
Bahn
3 ch
bai

Visual trap between Bahn and bai

These two trip readers on the page rather than in the ear: Bahn is [baːn] while bai is [bɛ]. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 36987, derived from the frequency rank of both members and their visual similarity.

Bahn is recorded at frequency rank #774, classified as anoun, pronounced [baːn]. bai is at rank #36,213, tagged as anadj, pronounced [bɛ].

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 36987, this pair ranks #1,601,675 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Bahn vs bai

Shared letters: ab. Private to "Bahn": hn. Private to "bai": i.

"Bahn" · 4 letters · shape CVCC  ·  "bai" · 3 letters · shape CVV

Known mistypes of this pair

  • Bahnabhn · bahhn · bahnn · banh · bbahn · bhan

Frequently Asked Questions

Do "Bahn" and "bai" mean the same thing in a sentence?
No - they are not even the same part of speech. "Bahn" is a noun and "bai" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Bahn" or "bai"?
"Bahn" is the more common of the two: it sits at frequency rank #774 in our German list, against #36,213 for "bai". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Bahn" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bai" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,601,675 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Bahn" and "bai" also get mixed up with nearby pairs, the highest-scored neighbour is "bai vs bic". 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 #1,601,675 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