Which to use
“sluice” and “spice” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,666
- “sluice” frequency rank
- #7,851
- “spice” frequency rank
- 53517
- confusion score
Side-by-Side Comparison
| Feature | sluice | spice |
|---|---|---|
| Definition | An artificial passage for water, fitted with a valve or gate, for example in a canal lock or a mill stream, for stopping or regulating the flow. | Aromatic or pungent plant matter (usually dried) used to season or flavor food. |
Where the eye mixes sluice and spice
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sluice runs 6 letters (CCVVCV) against spice's 5 (CCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between sluice and spice
A purely visual mix-up. sluice (/sluːs/) and spice (/spaɪs/) 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 53517, derived from the frequency rank of both members and their visual similarity.
sluice is recorded at frequency rank #45,666, classified as anoun, pronounced /sluːs/. spice is at rank #7,851, tagged as anoun, pronounced /spaɪs/.
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 53517, this pair ranks #148,317 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sluice vs spice
Shared letters: ceis. Private to "sluice": lu. Private to "spice": p.
"sluice" · 6 letters · shape CCVVCV · "spice" · 5 letters · shape CCVCV
Known mistypes of this pair
Frequently Asked Questions
Can "sluice" and "spice" be used interchangeably?
Frequency check: "sluice" vs "spice" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "sluice" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "spice" - compare definitions side by side with the headword page. Word entry
- This pair ranks #148,317 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sluice" and "spice" also get mixed up with nearby pairs, the highest-scored neighbour is "sluice vs splice". 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 #148,317 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.