PeinvsperConfusable pair

Quick tell: Pein is a noun, per is a preposition, so they fill different roles in a sentence.

Which to use

“Pein” is a noun and “per” is a preposition - they look or sound alike but fill different roles in a sentence.

#47,643
“Pein” frequency rank
#673
“per” frequency rank
48316
confusion score

Side-by-Side Comparison

Feature Pein per
Definition Schmerz, Qual mittels

Where the eye mixes Pein and per

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

4 ch
Pein
3 ch
per

Why the eye confuses Pein with per

These two trip readers on the page rather than in the ear: Pein is [paɪ̯n] while per is [pɛʁ]. 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 preposition), which is usually the fastest check. Our composite confusion score for this pair is 48316, derived from the frequency rank of both members and their visual similarity.

Pein is recorded at frequency rank #47,643, classified as anoun, pronounced [paɪ̯n]. per is at rank #673, tagged as aprep, pronounced [pɛʁ].

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 48316, this pair ranks #1,253,035 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Pein vs per

Shared letters: ep. Private to "Pein": in. Private to "per": r.

"Pein" · 4 letters · shape CVVC  ·  "per" · 3 letters · shape CVC

Known mistypes of this pair

  • Peinepin · peinn · peni · ppein

Frequently Asked Questions

Do "Pein" and "per" mean the same thing in a sentence?
No - they are not even the same part of speech. "Pein" is a noun and "per" a preposition, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Pein" vs "per" - which ranks higher?
"per" is the more common of the two: it sits at frequency rank #673 in our German list, against #47,643 for "Pein". 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 "Pein" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "per" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,253,035 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Pein" and "per" also get mixed up with nearby pairs, the highest-scored neighbour is "Pein vs pig". 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 #1,253,035 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