Which to use
“pain” and “Phi” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #23,652
- “pain” frequency rank
- #47,646
- “Phi” frequency rank
- 71298
- confusion score
Side-by-Side Comparison
| Feature | pain | Phi |
|---|---|---|
| Definition | Schmerz | einundzwanzigster Buchstabe des griechischen Alphabets |
Where the eye mixes pain and Phi
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses pain with Phi
A purely visual mix-up. pain ([peɪn]) and Phi ([fiː]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 71298, derived from the frequency rank of both members and their visual similarity.
pain is recorded at frequency rank #23,652, classified as anoun, pronounced [peɪn]. Phi is at rank #47,646, tagged as anoun, pronounced [fiː].
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 71298, this pair ranks #420,899 of 2,006,359 scored German confusable pairs - among the most confusable pairs.
Orthographic DNA of pain vs Phi
Shared letters: ip. Private to "pain": an. Private to "Phi": h.
"pain" · 4 letters · shape CVVC · "Phi" · 3 letters · shape CCV
Known mistypes of this pair
- pain ← apin · painn · pani · pian · ppain
Frequently Asked Questions
Is swapping "pain" for "Phi" ever safe?
Frequency check: "pain" vs "Phi" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "pain" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Phi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #420,899 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "pain" and "Phi" also get mixed up with nearby pairs, the highest-scored neighbour is "Phi vs PMS". 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 #420,899 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.