slatevssulfateConfusable pair

Which to use

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

#33,468
“slate” frequency rank
#27,250
“sulfate” frequency rank
60718
confusion score

Side-by-Side Comparison

Feature slate sulfate
Definition Ardoise. Composé ionique associant un ion sulfate SO₄²⁻ et d’une base cationique.

Where the eye mixes slate and sulfate

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

5 ch
slate
7 ch
sulfate

Visual trap between slate and sulfate

A purely visual mix-up. slate (\sleɪt\) and sulfate (\syl.fat\) 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 2 letter(s) in length. Our composite confusion score for this pair is 60718, derived from the frequency rank of both members and their visual similarity.

slate is recorded at frequency rank #33,468, classified as anoun, pronounced \sleɪt\. sulfate is at rank #27,250, tagged as anoun, pronounced \syl.fat\.

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 60718, this pair ranks #96,169 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of slate vs sulfate

Shared letters: aelst. Private to "slate": -. Private to "sulfate": fu.

"slate" · 5 letters · shape CCVCV  ·  "sulfate" · 7 letters · shape CVCCVCV

Known mistypes of this pair

  • slatelsate · salte · slaet · slatte · sllate · sltae · sslate
  • sulfateslufate · ssulfate · suflate · sulafte · sulfaet · sulfatte · sulffate · sulftae

Frequently Asked Questions

Do "slate" and "sulfate" mean the same thing in a sentence?
No. They are said differently (\sleɪt\ versus \syl.fat\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "slate" or "sulfate"?
"sulfate" is the more common of the two: it sits at frequency rank #27,250 in our French list, against #33,468 for "slate". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "slate" and "sulfate" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "slate" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sulfate" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #96,169 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "slate" and "sulfate" also get mixed up with nearby pairs, the highest-scored neighbour is "slate vs stase". 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 #96,169 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