PapevsppmWhich spelling fits?

Which to use

“Pape” and “ppm” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#47,245
“Pape” frequency rank
#23,949
“ppm” frequency rank
71194
confusion score

Side-by-Side Comparison

Feature Pape ppm
Definition A Roman Catholic; a Papist. Initialism of parts per million (10000 ppm = 1%).

Letter map: Pape vs ppm

Shared letters muted; letters that set Pape and ppm apart highlighted. Shared run: 2.

4 ch
Pape
3 ch
ppm

Corpus notes: Pape and ppm

Pape and ppm are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 71194, derived from the frequency rank of both members and their visual similarity.

Pape is recorded at frequency rank #47,245, classified as anoun, pronounced /peɪp/. ppm is at rank #23,949, tagged as anoun.

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 71194, this pair ranks #47,649 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Pape vs ppm

Shared letters: p. Private to "Pape": ae. Private to "ppm": m.

"Pape" · 4 letters · shape CVCV  ·  "ppm" · 3 letters · shape CCC

Known mistypes of this pair

  • Papeappe · paep · pappe · ppae · ppape

Frequently Asked Questions

Is swapping "Pape" for "ppm" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "Pape" vs "ppm" - which ranks higher?
"ppm" is the more common of the two: it sits at frequency rank #23,949 in our English list, against #47,245 for "Pape". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "Pape" and "ppm". Here's where to go from here.

  • Full dictionary entry for "Pape" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ppm" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #47,649 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Pape" and "ppm" also get mixed up with nearby pairs, the highest-scored neighbour is "Pape vs PPA". 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 #47,649 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list