spudvssudsWhat's the difference?

Which to use

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

#42,419
“spud” frequency rank
#49,655
“suds” frequency rank
92074
confusion score

Side-by-Side Comparison

Feature spud suds
Definition A potato. Lather; foam or froth formed by mixing soap and water.

Where the eye mixes spud and suds

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. spud (CCVC) and suds (CVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
spud
4 ch
suds

Visual trap between spud and suds

A purely visual mix-up. spud (/spʌd/) and suds (/sʌdz/) 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 3 positions. Our composite confusion score for this pair is 92074, derived from the frequency rank of both members and their visual similarity.

spud is recorded at frequency rank #42,419, classified as anoun, pronounced /spʌd/. suds is at rank #49,655, tagged as anoun, pronounced /sʌdz/.

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 92074, this pair ranks #2,862 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of spud vs suds

Shared letters: dsu. Private to "spud": p. Private to "suds": -.

"spud" · 4 letters · shape CCVC  ·  "suds" · 4 letters · shape CVCC

Known mistypes of this pair

  • spud ← psud · spdu · sppud · spudd · sspud · supd
  • suds ← sdus · ssuds · sudds · sudss · susd · usds

Frequently Asked Questions

Is swapping "spud" for "suds" ever safe?
No. They are said differently (/spʌd/ versus /sʌdz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "spud" vs "suds" - which ranks higher?
"spud" is the more common of the two: it sits at frequency rank #42,419 in our English list, against #49,655 for "suds". 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 "spud" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "suds" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,862 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "spud" and "suds" also get mixed up with nearby pairs, the highest-scored neighbour is "suds 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 #2,862 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