Which to use
“what” is a determiner and “WPA” is a name - they look or sound alike but fill different roles in a sentence.
- #46
- “what” frequency rank
- #41,479
- “WPA” frequency rank
- 41525
- confusion score
Side-by-Side Comparison
| Feature | what | WPA |
|---|---|---|
| Definition | Which, especially which of an open-ended set of possibilities. | Initialism of Woomera Prohibited Area. |
Letter map: what vs WPA
Shared letters muted; letters that set what and WPA apart highlighted. Shared run: 2. what runs 4 letters (CCVC) against WPA's 3 (CCV) - the length gap alone is often enough to separate them once you know to check it.
Grammar separator: what vs WPA
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: what is adeterminer and WPAaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41525, derived from the frequency rank of both members and their visual similarity.
what is recorded at frequency rank #46, classified as adet, pronounced /wɒt/. WPA is at rank #41,479, 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 41525, this pair ranks #257,565 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of what vs WPA
Shared letters: aw. Private to "what": ht. Private to "WPA": p.
"what" · 4 letters · shape CCVC · "WPA" · 3 letters · shape CCV
Known mistypes of this pair
- what ← hwat · waht · whatt · whhat · whta · wwhat
Frequently Asked Questions
Is swapping "what" for "WPA" ever safe?
Which is more common, "what" or "WPA"?
After this comparison
You've compared "what" and "WPA". Here's where to go from here.
- Full dictionary entry for "what" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "WPA" - compare definitions side by side with the headword page. Word entry
- This pair ranks #257,565 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "what" and "WPA" also get mixed up with nearby pairs, the highest-scored neighbour is "wawa vs WPA". 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 #257,565 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.