weirvsWeissWhat's the difference?

Quick tell: weir is a noun, Weiss is a name, so they fill different roles in a sentence.

Which to use

“weir” is a noun and “Weiss” is a name - they look or sound alike but fill different roles in a sentence.

#14,670
“weir” frequency rank
#14,867
“Weiss” frequency rank
29537
confusion score

Side-by-Side Comparison

Feature weir Weiss
Definition An adjustable dam placed across a river to regulate the flow of water downstream. A characteristical surname from German.

Letter map: weir vs Weiss

Shared letters muted; letters that set weir and Weiss apart highlighted. Shared run: 3. weir runs 4 letters (CVVC) against Weiss's 5 (CVVCC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
weir
5 ch
Weiss

Role in the sentence - weir and Weiss

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: weir is anoun and Weissaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 29537, derived from the frequency rank of both members and their visual similarity.

weir is recorded at frequency rank #14,670, classified as anoun, pronounced /wɪə̯/. Weiss is at rank #14,867, 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 29537, this pair ranks #362,148 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of weir vs Weiss

Shared letters: eiw. Private to "weir": r. Private to "Weiss": s.

"weir" · 4 letters · shape CVVC  ·  "Weiss" · 5 letters · shape CVVCC

Known mistypes of this pair

  • weir ← ewir · weirr · weri · wweir
  • Weiss ← ewiss · weis · wesis · wiess · wweiss

Frequently Asked Questions

Is swapping "weir" for "Weiss" ever safe?
No - they are not even the same part of speech. "weir" is a noun and "Weiss" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "weir" or "Weiss" show up more?
"weir" is the more common of the two: it sits at frequency rank #14,670 in our English list, against #14,867 for "Weiss". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "weir" and "Weiss".

  • Full dictionary entry for "weir" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Weiss" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #362,148 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "weir" and "Weiss" also get mixed up with nearby pairs, the highest-scored neighbour is "weir vs werk". 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 #362,148 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