signvssinWhich spelling fits?

Which to use

“sign” and “sin” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#885
“sign” frequency rank
#3,848
“sin” frequency rank
4733
confusion score

Side-by-Side Comparison

Feature sign sin
Definition A visible fact that shows that something exists or may happen. A violation of divine will or religious law.

Where the eye mixes sign and sin

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
sign
3 ch
sin

Look-alike desk: sign vs sin

A purely visual mix-up. sign (/saɪn/) and sin (/sɪn/) 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 letter(s) in length. Our composite confusion score for this pair is 4733, derived from the frequency rank of both members and their visual similarity.

sign is recorded at frequency rank #885, classified as anoun, pronounced /saɪn/. sin is at rank #3,848, tagged as anoun, pronounced /sɪn/.

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 4733, this pair ranks #517,869 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of sign vs sin

Shared letters: ins. Private to "sign": g. Private to "sin": -.

"sign" · 4 letters · shape CVCC  ·  "sin" · 3 letters · shape CVC

Known mistypes of this pair

  • signisgn · sgin · siggn · signn · ssign

Frequently Asked Questions

Do "sign" and "sin" mean the same thing in a sentence?
No. They are said differently (/saɪn/ versus /sɪn/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "sign" vs "sin" - which ranks higher?
"sign" is the more common of the two: it sits at frequency rank #885 in our English list, against #3,848 for "sin". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "sign" and "sin" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "sign" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sin" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #517,869 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sign" and "sin" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs sin". 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 #517,869 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