withinvsWuWhich spelling fits?

Quick tell: within is a preposition, Wu is a noun, so they fill different roles in a sentence.

Which to use

“within” is a preposition and “Wu” is a noun - they look or sound alike but fill different roles in a sentence.

#29,872
“within” frequency rank
#15,270
“Wu” frequency rank
45142
confusion score

Side-by-Side Comparison

Feature within Wu
Definition innerhalb, in chinesische Sprache, die vor allem in Shanghai und den Provinzen Zhejiang und Jiangsu gesprochen wird

Letter map: within vs Wu

Shared letters muted; letters that set within and Wu apart highlighted. Shared run: 1.

6 ch
within
2 ch
Wu

Part-of-speech tell for within / Wu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: within is apreposition and Wuanoun. On the page they differ by 4 letter(s) in length. Our composite confusion score for this pair is 45142, derived from the frequency rank of both members and their visual similarity.

within is recorded at frequency rank #29,872, classified as aprep, pronounced […]. Wu is at rank #15,270, tagged as anoun, pronounced […].

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 45142, this pair ranks #1,363,042 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of within vs Wu

Shared letters: w. Private to "within": hint. Private to "Wu": u.

"within" · 6 letters · shape CVCCVC  ·  "Wu" · 2 letters · shape CV

Known mistypes of this pair

  • withiniwthin · wihtin · withhin · withinn · withni · witihn · witthin · wtihin

Frequently Asked Questions

Can "within" and "Wu" be used interchangeably?
No - they are not even the same part of speech. "within" is a preposition and "Wu" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "within" or "Wu"?
"Wu" is the more common of the two: it sits at frequency rank #15,270 in our German list, against #29,872 for "within". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "within" and "Wu". Here's where to go from here.

  • Full dictionary entry for "within" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Wu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,363,042 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "within" and "Wu" also get mixed up with nearby pairs, the highest-scored neighbour is "puzzles vs within". 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 #1,363,042 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list