stumpvssumpWhat's the difference?

Which to use

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

#16,143
“stump” frequency rank
#41,400
“sump” frequency rank
57543
confusion score

Side-by-Side Comparison

Feature stump sump
Definition The remains of something that has been cut off; especially the remains of a tree, the remains of a limb. A hollow or pit into which liquid drains, such as a cesspool, cesspit or sink.

Where the eye mixes stump and sump

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. stump runs 5 letters (CCVCC) against sump's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
stump
4 ch
sump

Visual trap between stump and sump

A purely visual mix-up. stump (/stʌmp/) and sump (/sʌmp/) 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 1 letter(s) in length. Our composite confusion score for this pair is 57543, derived from the frequency rank of both members and their visual similarity.

stump is recorded at frequency rank #16,143, classified as anoun, pronounced /stʌmp/. sump is at rank #41,400, tagged as anoun, pronounced /sʌmp/.

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 57543, this pair ranks #118,628 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of stump vs sump

Shared letters: mpsu. Private to "stump": t. Private to "sump": -.

"stump" · 5 letters · shape CCVCC  ·  "sump" · 4 letters · shape CVCC

Known mistypes of this pair

  • stumpsstump · stmup · sttump · stummp · stumpp · stupm · sutmp · tsump
  • sumpsmup · ssump · summp · sumpp · supm · usmp

Frequently Asked Questions

Is swapping "stump" for "sump" ever safe?
No. They are said differently (/stʌmp/ versus /sʌmp/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "stump" or "sump"?
"stump" is the more common of the two: it sits at frequency rank #16,143 in our English list, against #41,400 for "sump". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "stump" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sump" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #118,628 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "stump" and "sump" also get mixed up with nearby pairs, the highest-scored neighbour is "sump 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 #118,628 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