PervspiperWhich spelling fits?

Quick tell: Per is a name, piper is a noun, so they fill different roles in a sentence.

Which to use

“Per” is a name and “piper” is a noun - they look or sound alike but fill different roles in a sentence.

#3,203
“Per” frequency rank
#25,002
“piper” frequency rank
28205
confusion score

Side-by-Side Comparison

Feature Per piper
Definition Pedro. Nombre propio de hombre. Flautista.

Where the eye mixes Per and piper

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
Per
5 ch
piper

Look-alike desk: Per vs piper

These two trip readers on the page rather than in the ear: Per is [ˈpæːr] while piper is /ˈpaɪpər/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “Per” sits inside “piper”, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 28205, derived from the frequency rank of both members and their visual similarity.

Per is recorded at frequency rank #3,203, classified as aname, pronounced [ˈpæːr]. piper is at rank #25,002, tagged as anoun, pronounced /ˈpaɪpər/.

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 28205, this pair ranks #223,115 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Per vs piper

Shared letters: epr. Private to "Per": -. Private to "piper": i.

"Per" · 3 letters · shape CVC  ·  "piper" · 5 letters · shape CVCVC

Known mistypes of this pair

  • piperipper · piepr · piperr · pipper · pipre · ppier · ppiper

Frequently Asked Questions

Can "Per" and "piper" be used interchangeably?
No - they are not even the same part of speech. "Per" is a name and "piper" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Per" or "piper"?
"Per" is the more common of the two: it sits at frequency rank #3,203 in our Spanish list, against #25,002 for "piper". 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 "Per" and "piper" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Per" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "piper" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #223,115 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Per" and "piper" also get mixed up with nearby pairs, the highest-scored neighbour is "piper vs pires". 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 #223,115 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list