Which to use
“stun” is a verb and “sum” is a noun - they look or sound alike but fill different roles in a sentence.
- #17,969
- “stun” frequency rank
- #4,050
- “sum” frequency rank
- 22019
- confusion score
Side-by-Side Comparison
| Feature | stun | sum |
|---|---|---|
| Definition | To incapacitate; especially by inducing disorientation or unconsciousness. | A quantity obtained by addition or aggregation. |
Where the eye mixes stun and sum
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses stun with sum
These two trip readers on the page rather than in the ear: stun is /stʌn/ while sum is /sʌm/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 22019, derived from the frequency rank of both members and their visual similarity.
stun is recorded at frequency rank #17,969, classified as averb, pronounced /stʌn/. 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 22019, this pair ranks #419,665 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of stun vs sum
Shared letters: su. Private to "stun": nt. Private to "sum": m.
"stun" · 4 letters · shape CCVC · "sum" · 3 letters · shape CVC
Known mistypes of this pair
- stun ← sstun · stnu · sttun · stunn · sutn · tsun
Frequently Asked Questions
Do "stun" and "sum" mean the same thing in a sentence?
Frequency check: "stun" vs "sum" - which ranks higher?
Useful next steps
Eye-level mix-up between "stun" and "sum" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "stun" 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 #419,665 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "stun" and "sum" also get mixed up with nearby pairs, the highest-scored neighbour is "stun vs Styx". 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 #419,665 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.