staphvsstarchWhich spelling fits?

Which to use

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

#49,070
“staph” frequency rank
#19,706
“starch” frequency rank
68776
confusion score

Side-by-Side Comparison

Feature staph starch
Definition Staphylococcus bacteria and the infection it causes. A widely diffused vegetable substance, found in seeds, bulbs and tubers, as extracted (e.g. from potatoes, corn, rice, etc.) in the form of a white, glistening, granular or powdery substance, without taste or smell, and giving a very peculiar creaking sound when rubbed between the fingers. It is used as a food, in the production of commercial grape sugar, for stiffening linen in laundries, in making paste, etc.

Where the eye mixes staph and starch

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
staph
6 ch
starch

Visual trap between staph and starch

A purely visual mix-up. staph (/stæf/) and starch (/stɑɹt͡ʃ/) 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 68776, derived from the frequency rank of both members and their visual similarity.

staph is recorded at frequency rank #49,070, classified as anoun, pronounced /stæf/. starch is at rank #19,706, tagged as anoun, pronounced /stɑɹt͡ʃ/.

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 68776, this pair ranks #57,373 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of staph vs starch

Shared letters: ahst. Private to "staph": p. Private to "starch": cr.

"staph" · 5 letters · shape CCVCC  ·  "starch" · 6 letters · shape CCVCCC

Known mistypes of this pair

  • staphsatph · sstaph · stahp · staphh · stapph · stpah · sttaph · tsaph
  • starchsatrch · sstarch · stacrh · starcch · starchh · starhc · starrch · strach

Frequently Asked Questions

Can "staph" and "starch" be used interchangeably?
No. They are said differently (/stæf/ versus /stɑɹt͡ʃ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "staph" or "starch"?
"starch" is the more common of the two: it sits at frequency rank #19,706 in our English list, against #49,070 for "staph". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "staph" and "starch" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "staph" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "starch" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,373 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "staph" and "starch" also get mixed up with nearby pairs, the highest-scored neighbour is "staid vs staph". 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 #57,373 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