whatvswtTell them apart

Quick tell: what is a determiner, wt is a preposition, so they fill different roles in a sentence.

Which to use

“what” is a determiner and “wt” is a preposition - they look or sound alike but fill different roles in a sentence.

#46
“what” frequency rank
#18,227
“wt” frequency rank
18273
confusion score

Side-by-Side Comparison

Feature what wt
Definition Which, especially which of an open-ended set of possibilities. Abbreviation of with.

Letter map: what vs wt

Shared letters muted; letters that set what and wt apart highlighted. Shared run: 2.

4 ch
what
2 ch
wt

Role in the sentence - what and wt

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: what is adeterminer and wtapreposition. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 18273, derived from the frequency rank of both members and their visual similarity.

what is recorded at frequency rank #46, classified as adet, pronounced /wɒt/. wt is at rank #18,227, tagged as aprep.

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 18273, this pair ranks #445,986 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of what vs wt

Shared letters: tw. Private to "what": ah. Private to "wt": -.

"what" · 4 letters · shape CCVC  ·  "wt" · 2 letters · shape CC

Known mistypes of this pair

  • whathwat · waht · whatt · whhat · whta · wwhat

Frequently Asked Questions

Can "what" and "wt" be used interchangeably?
No - they are not even the same part of speech. "what" is a determiner and "wt" a preposition, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "what" or "wt" show up more?
"what" is the more common of the two: it sits at frequency rank #46 in our English list, against #18,227 for "wt". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "what" and "wt". Here's where to go from here.

  • Full dictionary entry for "what" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "wt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #445,986 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "what" and "wt" also get mixed up with nearby pairs, the highest-scored neighbour is "wt vs WYO". 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 #445,986 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