Which to use
“sulfate” and “surface” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,830
- “sulfate” frequency rank
- #1,580
- “surface” frequency rank
- 24410
- confusion score
Side-by-Side Comparison
| Feature | sulfate | surface |
|---|---|---|
| Definition | Any salt or ester of sulfuric acid. | The overside or upside of a flat object such as a table, or of a liquid. |
Where the eye mixes sulfate and surface
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between sulfate and surface
A purely visual mix-up. sulfate (/ˈsʌlfeɪt/) and surface (/ˈsɜː.fɪs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 24410, derived from the frequency rank of both members and their visual similarity.
sulfate is recorded at frequency rank #22,830, classified as anoun, pronounced /ˈsʌlfeɪt/. surface is at rank #1,580, tagged as anoun, pronounced /ˈsɜː.fɪs/.
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 24410, this pair ranks #402,180 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of sulfate vs surface
Shared letters: aefsu. Private to "sulfate": lt. Private to "surface": cr.
"sulfate" · 7 letters · shape CVCCVCV · "surface" · 7 letters · shape CVCCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "sulfate" and "surface" mean the same thing in a sentence?
Which is more common, "sulfate" or "surface"?
What to do next
Eye-level mix-up between "sulfate" and "surface" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sulfate" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "surface" - compare definitions side by side with the headword page. Word entry
- This pair ranks #402,180 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sulfate" and "surface" also get mixed up with nearby pairs, the highest-scored neighbour is "sulfate vs sulphate". 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 #402,180 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.