beamvsbeiTell them apart

Quick tell: beam is a verb, bei is a preposition, so they fill different roles in a sentence.

Which to use

“beam” is a verb and “bei” is a preposition - they look or sound alike but fill different roles in a sentence.

#39,825
“beam” frequency rank
#29
“bei” frequency rank
39854
confusion score

Side-by-Side Comparison

Feature beam bei
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs beamen in unmittelbarer Nähe

Where the eye mixes beam and bei

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

4 ch
beam
3 ch
bei

Look-alike desk: beam vs bei

These two trip readers on the page rather than in the ear: beam is [biːm] while bei is [baɪ̯]. 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 (verb vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 39854, derived from the frequency rank of both members and their visual similarity.

beam is recorded at frequency rank #39,825, classified as averb, pronounced [biːm]. bei is at rank #29, tagged as aprep, pronounced [baɪ̯].

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 39854, this pair ranks #1,525,005 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of beam vs bei

Shared letters: be. Private to "beam": am. Private to "bei": i.

"beam" · 4 letters · shape CVVC  ·  "bei" · 3 letters · shape CVV

Known mistypes of this pair

  • beambaem · bbeam · beamm · bema · ebam

Frequently Asked Questions

Can "beam" and "bei" be used interchangeably?
No - they are not even the same part of speech. "beam" is a verb and "bei" a preposition, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "beam" vs "bei" - which ranks higher?
"bei" is the more common of the two: it sits at frequency rank #29 in our German list, against #39,825 for "beam". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "beam" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bei" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,525,005 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "beam" and "bei" also get mixed up with nearby pairs, the highest-scored neighbour is "beam vs bread". 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 #1,525,005 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