SLEvssuedConfusable pair

Quick tell: SLE is a noun, sued is a verb, so they fill different roles in a sentence.

Which to use

“SLE” is a noun and “sued” is a verb - they look or sound alike but fill different roles in a sentence.

#48,486
“SLE” frequency rank
#8,360
“sued” frequency rank
56846
confusion score

Side-by-Side Comparison

Feature SLE sued
Definition Initialism of systemic lupus erythematosus. simple past and past participle of sue

Letter map: SLE vs sued

Shared letters muted; letters that set SLE and sued apart highlighted. Shared run: 2.

3 ch
SLE
4 ch
sued

Part-of-speech tell for SLE / sued

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: SLE is anoun and suedaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56846, derived from the frequency rank of both members and their visual similarity.

SLE is recorded at frequency rank #48,486, classified as anoun. sued is at rank #8,360, tagged as averb, pronounced /sjuːd/.

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 56846, this pair ranks #123,331 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of SLE vs sued

Shared letters: es. Private to "SLE": l. Private to "sued": du.

"SLE" · 3 letters · shape CCV  ·  "sued" · 4 letters · shape CVVC

Known mistypes of this pair

  • suedseud · ssued · sude · suedd

Frequently Asked Questions

Is swapping "SLE" for "sued" ever safe?
No - they are not even the same part of speech. "SLE" is a noun and "sued" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "SLE" or "sued"?
"sued" is the more common of the two: it sits at frequency rank #8,360 in our English list, against #48,486 for "SLE". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "SLE" and "sued".

  • Full dictionary entry for "SLE" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sued" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #123,331 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "SLE" and "sued" also get mixed up with nearby pairs, the highest-scored neighbour is "Sif vs SLE". 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 #123,331 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list