PisvsPsiConfusable pair

Which to use

“Pis” and “Psi” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#38,949
“Pis” frequency rank
#35,967
“Psi” frequency rank
74916
confusion score

Side-by-Side Comparison

Feature Pis Psi
Definition Genitiv Singular des Substantivs Pi Name des dreiundzwanzigsten Buchstabens im griechischen Alphabet

Where the eye mixes Pis and Psi

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

3 ch
Pis
3 ch
Psi

Visual trap between Pis and Psi

A purely visual mix-up. Pis ([piːs]) and Psi ([psiː]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ only by swapping two adjacent letters (is ↔ si) - a transposition the eye reads straight past. Our composite confusion score for this pair is 74916, derived from the frequency rank of both members and their visual similarity.

Pis is recorded at frequency rank #38,949, classified as anoun, pronounced [piːs]. Psi is at rank #35,967, tagged as anoun, pronounced [psiː].

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 74916, this pair ranks #321,115 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of Pis vs Psi

Shared letters: ips. Private to "Pis": -. Private to "Psi": -.

"Pis" · 3 letters · shape CVC  ·  "Psi" · 3 letters · shape CCV

Frequently Asked Questions

Can "Pis" and "Psi" be used interchangeably?
No. They are said differently ([piːs] versus [psiː]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Pis" vs "Psi" - which ranks higher?
"Psi" is the more common of the two: it sits at frequency rank #35,967 in our German list, against #38,949 for "Pis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "Pis" and "Psi" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Pis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Psi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #321,115 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Pis" and "Psi" also get mixed up with nearby pairs, the highest-scored neighbour is "Pis vs PMS". Nearby pair

Confusion rank #321,115 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