Which to use
“serine” and “string” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,078
- “serine” frequency rank
- #3,658
- “string” frequency rank
- 48736
- confusion score
Side-by-Side Comparison
| Feature | serine | string |
|---|---|---|
| Definition | A nonessential amino acid, CH₂OH.CH(NH₂)COOH, found in most animal proteins, notably silk. | A long, thin and flexible structure made from threads twisted together. |
Letter map: serine vs string
Shared letters muted; letters that set serine and string apart highlighted. Shared run: 4.
Corpus notes: serine and string
serine and string are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 48736, derived from the frequency rank of both members and their visual similarity.
serine is recorded at frequency rank #45,078, classified as anoun. string is at rank #3,658, tagged as anoun, pronounced /stɹɪŋ/.
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 48736, this pair ranks #190,234 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of serine vs string
Shared letters: inrs. Private to "serine": e. Private to "string": gt.
"serine" · 6 letters · shape CVCVCV · "string" · 6 letters · shape CCCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "serine" for "string" ever safe?
Which is more common, "serine" or "string"?
After this comparison
Done with this confusable. These links stay specific to "serine" and "string".
- Full dictionary entry for "serine" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "string" - compare definitions side by side with the headword page. Word entry
- This pair ranks #190,234 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "serine" and "string" also get mixed up with nearby pairs, the highest-scored neighbour is "serif vs serine". 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 #190,234 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.