when'svswheresWhat's the difference?

Quick tell: when's is a contraction, wheres is a noun, so they fill different roles in a sentence.

Which to use

“when's” is a contraction and “wheres” is a noun - they look or sound alike but fill different roles in a sentence.

#22,550
“when's” frequency rank
#43,467
“wheres” frequency rank
66017
confusion score

Side-by-Side Comparison

Feature when's wheres
Definition Contraction of when + is. plural of where

Letter map: when's vs wheres

Shared letters muted; letters that set when's and wheres apart highlighted. Shared run: 4.

6 ch
when's
6 ch
wheres

Role in the sentence - when's and wheres

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: when's is acontraction and wheresanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 66017, derived from the frequency rank of both members and their visual similarity.

when's is recorded at frequency rank #22,550, classified as acontraction, pronounced /wɛnz/. wheres is at rank #43,467, 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 66017, this pair ranks #70,016 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of when's vs wheres

Shared letters: ehsw. Private to "when's": n. Private to "wheres": r.

"when's" · 5 letters · shape CCVCC  ·  "wheres" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • whereshweres · wehres · wheers · wheress · wherres · wherse · whheres · whrees

Frequently Asked Questions

Can "when's" and "wheres" be used interchangeably?
No - they are not even the same part of speech. "when's" is a contraction and "wheres" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "when's" or "wheres" show up more?
"when's" is the more common of the two: it sits at frequency rank #22,550 in our English list, against #43,467 for "wheres". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "when's" vs "wheres" is on the table, pick a follow-up below.

  • Full dictionary entry for "when's" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "wheres" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,016 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "when's" and "wheres" also get mixed up with nearby pairs, the highest-scored neighbour is "where'd vs wheres". 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 #70,016 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