slumpvssupWhich spelling fits?

Which to use

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

#18,187
“slump” frequency rank
#13,818
“sup” frequency rank
32005
confusion score

Side-by-Side Comparison

Feature slump sup
Definition To collapse heavily or helplessly. To sip; to take a small amount of food or drink into the mouth, especially with a spoon.

Where the eye mixes slump and sup

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
slump
3 ch
sup

Why the eye confuses slump with sup

A purely visual mix-up. slump (/slʌmp/) and sup (/sʌp/) 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 32005, derived from the frequency rank of both members and their visual similarity.

slump is recorded at frequency rank #18,187, classified as averb, pronounced /slʌmp/. sup is at rank #13,818, tagged as averb, pronounced /sʌp/.

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 32005, this pair ranks #341,382 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of slump vs sup

Shared letters: psu. Private to "slump": lm. Private to "sup": -.

"slump" · 5 letters · shape CCVCC  ·  "sup" · 3 letters · shape CVC

Known mistypes of this pair

  • slumplsump · sllump · slmup · slummp · slumpp · slupm · sslump · sulmp

Frequently Asked Questions

Can "slump" and "sup" be used interchangeably?
No. They are said differently (/slʌmp/ versus /sʌp/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "slump" or "sup"?
"sup" is the more common of the two: it sits at frequency rank #13,818 in our English list, against #18,187 for "slump". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "slump" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sup" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #341,382 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "slump" and "sup" also get mixed up with nearby pairs, the highest-scored neighbour is "slump vs slurp". 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 #341,382 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