SirvsSireWhich spelling fits?

Which to use

“Sir” and “Sire” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,650
“Sir” frequency rank
#48,488
“Sire” frequency rank
53138
confusion score

Side-by-Side Comparison

Feature Sir Sire
Definition männlicher Titel des britischen Adels veraltete (französische) Höflichkeitsanrede für Männer, insbesondere oder ausschließlich dem König/Kaiser vorbehalten

Where the eye mixes Sir and Sire

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Sir runs 3 letters (CVC) against Sire's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
Sir
4 ch
Sire

Look-alike desk: Sir vs Sire

A purely visual mix-up. Sir ([sœːɐ̯]) and Sire ([ziːɐ̯]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “Sir” sits inside “Sire”. Our composite confusion score for this pair is 53138, derived from the frequency rank of both members and their visual similarity.

Sir is recorded at frequency rank #4,650, classified as anoun, pronounced [sœːɐ̯]. Sire is at rank #48,488, tagged as anoun, pronounced [ziːɐ̯].

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 53138, this pair ranks #1,069,733 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Sir vs Sire

Shared letters: irs. Private to "Sir": -. Private to "Sire": e.

"Sir" · 3 letters · shape CVC  ·  "Sire" · 4 letters · shape CVCV

Known mistypes of this pair

  • Sire ← isre · sier · sirre · srie · ssire

Frequently Asked Questions

Can "Sir" and "Sire" be used interchangeably?
No. They are said differently ([sœːɐ̯] versus [ziːɐ̯]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Sir" vs "Sire" - which ranks higher?
"Sir" is the more common of the two: it sits at frequency rank #4,650 in our German list, against #48,488 for "Sire". 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 "Sir" and "Sire" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Sir" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Sire" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,069,733 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Sir" and "Sire" also get mixed up with nearby pairs, the highest-scored neighbour is "sil vs Sire". 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 #1,069,733 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