Which to use
“sign” and “son” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #885
- “sign” frequency rank
- #534
- “son” frequency rank
- 1419
- confusion score
Side-by-Side Comparison
| Feature | sign | son |
|---|---|---|
| Definition | A visible fact that shows that something exists or may happen. | One's male offspring. |
Where the eye mixes sign and son
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: sign vs son
A purely visual mix-up. sign (/saɪn/) and son (/sʌn/) 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 1419, derived from the frequency rank of both members and their visual similarity.
sign is recorded at frequency rank #885, classified as anoun, pronounced /saɪn/. son is at rank #534, tagged as anoun, pronounced /sʌn/.
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 1419, this pair ranks #527,466 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of sign vs son
Shared letters: ns. Private to "sign": gi. Private to "son": o.
"sign" · 4 letters · shape CVCC · "son" · 3 letters · shape CVC
Known mistypes of this pair
- sign ← isgn · sgin · siggn · signn · ssign
Frequently Asked Questions
Do "sign" and "son" mean the same thing in a sentence?
Which is more common, "sign" or "son"?
Useful next steps
Eye-level mix-up between "sign" and "son" 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 "son" - compare definitions side by side with the headword page. Word entry
- This pair ranks #527,466 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sign" and "son" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs sign". 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 #527,466 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.