sulfatevssurfaceTell them apart

Which to use

“sulfate” and “surface” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#27,250
“sulfate” frequency rank
#1,302
“surface” frequency rank
28552
confusion score

Side-by-Side Comparison

Feature sulfate surface
Definition Composé ionique associant un ion sulfate SO₄²⁻ et d’une base cationique. Superficie, partie extérieure d’un corps ; ce qui le limite dans l’espace.

Where the eye mixes sulfate and surface

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
sulfate
7 ch
surface

Visual trap between sulfate and surface

A purely visual mix-up. sulfate (\syl.fat\) and surface (\syʁ.fas\) 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 28552, derived from the frequency rank of both members and their visual similarity.

sulfate is recorded at frequency rank #27,250, classified as anoun, pronounced \syl.fat\. surface is at rank #1,302, tagged as anoun, pronounced \syʁ.fas\.

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 28552, this pair ranks #322,076 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

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

  • sulfateslufate · ssulfate · suflate · sulafte · sulfaet · sulfatte · sulffate · sulftae
  • surfacesruface · ssurface · sufrace · surafce · surfacce · surfaec · surfcae · surfface

Frequently Asked Questions

Do "sulfate" and "surface" mean the same thing in a sentence?
No. They are said differently (\syl.fat\ versus \syʁ.fas\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sulfate" or "surface"?
"surface" is the more common of the two: it sits at frequency rank #1,302 in our French list, against #27,250 for "sulfate". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 #322,076 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sulfate" and "surface" also get mixed up with nearby pairs, the highest-scored neighbour is "slate vs sulfate". 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 #322,076 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list