SiamvsSireWhich spelling fits?

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

Which to use

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

#46,278
“Siam” frequency rank
#48,488
“Sire” frequency rank
94766
confusion score

Side-by-Side Comparison

Feature Siam Sire
Definition Königreich in Südostasien, größtenteils auf dem Gebiet des heutigen Thailands veraltete (französische) Höflichkeitsanrede für Männer, insbesondere oder ausschließlich dem König/Kaiser vorbehalten

Where the eye mixes Siam and Sire

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. Siam (CVVC) and Sire (CVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
Siam
4 ch
Sire

Visual trap between Siam and Sire

These two trip readers on the page rather than in the ear: Siam is [ˈziːam] while Sire is [ziːɐ̯]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 94766, derived from the frequency rank of both members and their visual similarity.

Siam is recorded at frequency rank #46,278, classified as aname, pronounced [ˈziːam]. 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 94766, this pair ranks #14,993 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of Siam vs Sire

Shared letters: is. Private to "Siam": am. Private to "Sire": er.

"Siam" · 4 letters · shape CVVC  ·  "Sire" · 4 letters · shape CVCV

Known mistypes of this pair

  • Siam ← isam · siamm · sima · ssiam
  • Sire ← isre · sier · sirre · srie · ssire

Frequently Asked Questions

Is swapping "Siam" for "Sire" ever safe?
No - they are not even the same part of speech. "Siam" is a name and "Sire" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Siam" vs "Sire" - which ranks higher?
"Siam" is the more common of the two: it sits at frequency rank #46,278 in our German list, against #48,488 for "Sire". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Siam" 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 #14,993 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Siam" 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 #14,993 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