whyvswisTell them apart

Which to use

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

#125
“why” frequency rank
#21,426
“wis” frequency rank
21551
confusion score

Side-by-Side Comparison

Feature why wis
Definition For what cause, reason, or purpose. Certainly, surely.

Where the eye mixes why and wis

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
why
3 ch
wis

Look-alike desk: why vs wis

A purely visual mix-up. why (/wæ/) and wis (/waɪs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 21551, derived from the frequency rank of both members and their visual similarity.

why is recorded at frequency rank #125, classified as anadv, pronounced /wæ/. wis is at rank #21,426, tagged as anadv, pronounced /waɪs/.

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 21551, this pair ranks #423,057 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of why vs wis

Shared letters: w. Private to "why": hy. Private to "wis": is.

"why" · 3 letters · shape CCV  ·  "wis" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "why" for "wis" ever safe?
No. They are said differently (/wæ/ versus /waɪs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "why" vs "wis" - which ranks higher?
"why" is the more common of the two: it sits at frequency rank #125 in our English list, against #21,426 for "wis". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "why" and "wis" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "why" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "wis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #423,057 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "why" and "wis" also get mixed up with nearby pairs, the highest-scored neighbour is "wis vs WYO". Nearby pair

Confusion rank #423,057 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