peakvsPLATell them apart

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

Which to use

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

#2,847
“peak” frequency rank
#20,735
“PLA” frequency rank
23582
confusion score

Side-by-Side Comparison

Feature peak PLA
Definition A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap. Initialism of Port of London Authority.

Letter map: peak vs PLA

Shared letters muted; letters that set peak and PLA apart highlighted. Shared run: 2.

4 ch
peak
3 ch
PLA

Grammar separator: peak vs PLA

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: peak is anoun and PLAaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 23582, derived from the frequency rank of both members and their visual similarity.

peak is recorded at frequency rank #2,847, classified as anoun, pronounced /piːk/. PLA is at rank #20,735, tagged as aname.

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 23582, this pair ranks #408,249 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of peak vs PLA

Shared letters: ap. Private to "peak": ek. Private to "PLA": l.

"peak" · 4 letters · shape CVVC  ·  "PLA" · 3 letters · shape CCV

Known mistypes of this pair

  • peakepak · paek · peakk · peka · ppeak

Frequently Asked Questions

Can "peak" and "PLA" be used interchangeably?
No - they are not even the same part of speech. "peak" is a noun and "PLA" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "peak" or "PLA" show up more?
"peak" is the more common of the two: it sits at frequency rank #2,847 in our English list, against #20,735 for "PLA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "peak" and "PLA".

  • Full dictionary entry for "peak" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "PLA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #408,249 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "peak" and "PLA" also get mixed up with nearby pairs, the highest-scored neighbour is "PLA 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 #408,249 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