sumpvssunsTell them apart

Which to use

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

#41,400
“sump” frequency rank
#13,249
“suns” frequency rank
54649
confusion score

Side-by-Side Comparison

Feature sump suns
Definition A hollow or pit into which liquid drains, such as a cesspool, cesspit or sink. plural of sun

Where the eye mixes sump and suns

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. sump and suns follow the identical consonant-vowel pattern (CVCC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
sump
4 ch
suns

Visual trap between sump and suns

A purely visual mix-up. sump (/sʌmp/) and suns (/sʌnz/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 54649, derived from the frequency rank of both members and their visual similarity.

sump is recorded at frequency rank #41,400, classified as anoun, pronounced /sʌmp/. suns is at rank #13,249, tagged as anoun, pronounced /sʌnz/.

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 54649, this pair ranks #139,463 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sump vs suns

Shared letters: su. Private to "sump": mp. Private to "suns": n.

"sump" · 4 letters · shape CVCC  ·  "suns" · 4 letters · shape CVCC

Known mistypes of this pair

  • sump ← smup · ssump · summp · sumpp · supm · usmp
  • suns ← snus · ssuns · sunns · sunss · susn · usns

Frequently Asked Questions

Can "sump" and "suns" be used interchangeably?
No. They are said differently (/sʌmp/ versus /sʌnz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sump" or "suns"?
"suns" is the more common of the two: it sits at frequency rank #13,249 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.

What to do next

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

  • Full dictionary entry for "sump" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suns" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #139,463 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sump" and "suns" 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 #139,463 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