Which to use
“smut” and “spud” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #34,290
- “smut” frequency rank
- #42,419
- “spud” frequency rank
- 76709
- confusion score
Side-by-Side Comparison
| Feature | smut | spud |
|---|---|---|
| Definition | Soot. | A potato. |
Where the eye mixes smut and spud
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. smut and spud follow the identical consonant-vowel pattern (CCVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: smut vs spud
A purely visual mix-up. smut (/smʌt/) and spud (/spʌd/) 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 76709, derived from the frequency rank of both members and their visual similarity.
smut is recorded at frequency rank #34,290, classified as anoun, pronounced /smʌt/. spud is at rank #42,419, tagged as anoun, pronounced /spʌd/.
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 76709, this pair ranks #29,339 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of smut vs spud
Shared letters: su. Private to "smut": mt. Private to "spud": dp.
"smut" · 4 letters · shape CCVC · "spud" · 4 letters · shape CCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "smut" for "spud" ever safe?
Which is more common, "smut" or "spud"?
What to do next
Eye-level mix-up between "smut" and "spud" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "smut" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "spud" - compare definitions side by side with the headword page. Word entry
- This pair ranks #29,339 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "smut" and "spud" also get mixed up with nearby pairs, the highest-scored neighbour is "spud vs suds". 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 #29,339 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.