warvsweirWhat's the difference?

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

Which to use

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

#11,509
“war” frequency rank
#46,882
“weir” frequency rank
58391
confusion score

Side-by-Side Comparison

Feature war weir
Definition Sobre. Una presa ajustable localizada a lo ancho de un río para regular el flujo de agua río abajo; presa, dique.

Where the eye mixes war and weir

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
war
4 ch
weir

Visual trap between war and weir

These two trip readers on the page rather than in the ear: war is /ˈwɑːr/ while weir is /wɪə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (preposition vs noun), which is usually the fastest check. Our composite confusion score for this pair is 58391, derived from the frequency rank of both members and their visual similarity.

war is recorded at frequency rank #11,509, classified as aprep, pronounced /ˈwɑːr/. weir is at rank #46,882, tagged as anoun, pronounced /wɪə/.

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 58391, this pair ranks #66,600 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of war vs weir

Shared letters: rw. Private to "war": a. Private to "weir": ei.

"war" · 3 letters · shape CVC  ·  "weir" · 4 letters · shape CVVC

Known mistypes of this pair

  • weirewir · weirr · weri · wier · wweir

Frequently Asked Questions

Can "war" and "weir" be used interchangeably?
No - they are not even the same part of speech. "war" is a preposition and "weir" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "war" vs "weir" - which ranks higher?
"war" is the more common of the two: it sits at frequency rank #11,509 in our Spanish list, against #46,882 for "weir". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "war" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "weir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #66,600 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "war" and "weir" also get mixed up with nearby pairs, the highest-scored neighbour is "weir vs weón". 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 #66,600 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list