Which to use
“SIDS” and “sous” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #49,048
- “SIDS” frequency rank
- #25,213
- “sous” frequency rank
- 74261
- confusion score
Side-by-Side Comparison
| Feature | SIDS | sous |
|---|---|---|
| Definition | Acronym of sudden infant death syndrome. | plural of sou |
Letter map: SIDS vs sous
Shared letters muted; letters that set SIDS and sous apart highlighted. Shared run: 2. SIDS (CVCC) and sous (CVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Corpus notes: SIDS and sous
SIDS and sous are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 74261, derived from the frequency rank of both members and their visual similarity.
SIDS is recorded at frequency rank #49,048, classified as anoun. sous is at rank #25,213, tagged as anoun, pronounced /suːz/.
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 74261, this pair ranks #36,916 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of SIDS vs sous
Shared letters: s. Private to "SIDS": di. Private to "sous": ou.
"SIDS" · 4 letters · shape CVCC · "sous" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "SIDS" for "sous" ever safe?
Which is more common, "SIDS" or "sous"?
What to do next
You've compared "SIDS" and "sous". Here's where to go from here.
- Full dictionary entry for "SIDS" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sous" - compare definitions side by side with the headword page. Word entry
- This pair ranks #36,916 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "SIDS" and "sous" also get mixed up with nearby pairs, the highest-scored neighbour is "SIDS vs suds". 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 #36,916 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.