SufivssumWhich spelling fits?

Which to use

“Sufi” and “sum” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#32,611
“Sufi” frequency rank
#4,050
“sum” frequency rank
36661
confusion score

Side-by-Side Comparison

Feature Sufi sum
Definition A mystic Muslim; a Muslim ascetic; a practitioner of Sufism. A quantity obtained by addition or aggregation.

Letter map: Sufi vs sum

Shared letters muted; letters that set Sufi and sum apart highlighted. Shared run: 2.

4 ch
Sufi
3 ch
sum

Corpus notes: Sufi and sum

Sufi and sum are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36661, derived from the frequency rank of both members and their visual similarity.

Sufi is recorded at frequency rank #32,611, classified as anoun. sum is at rank #4,050, tagged as anoun, pronounced /sʌm/.

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 36661, this pair ranks #301,268 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Sufi vs sum

Shared letters: su. Private to "Sufi": fi. Private to "sum": m.

"Sufi" · 4 letters · shape CVCV  ·  "sum" · 3 letters · shape CVC

Known mistypes of this pair

  • Sufisfui · ssufi · suffi · suif · usfi

Frequently Asked Questions

Can "Sufi" and "sum" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "Sufi" vs "sum" - which ranks higher?
"sum" is the more common of the two: it sits at frequency rank #4,050 in our English list, against #32,611 for "Sufi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "Sufi" and "sum".

  • Full dictionary entry for "Sufi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #301,268 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Sufi" and "sum" also get mixed up with nearby pairs, the highest-scored neighbour is "Sufi vs sura". 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 #301,268 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