TOIvstoxinConfusable pair

Quick tell: TOI is a name, toxin is a noun, so they fill different roles in a sentence.

Which to use

“TOI” is a name and “toxin” is a noun - they look or sound alike but fill different roles in a sentence.

#32,212
“TOI” frequency rank
#19,722
“toxin” frequency rank
51934
confusion score

Side-by-Side Comparison

Feature TOI toxin
Definition Initialism of The Times of India, an Indian newspaper. A toxic substance, specifically a poison produced by the biological processes of organisms.

Letter map: TOI vs toxin

Shared letters muted; letters that set TOI and toxin apart highlighted. Shared run: 3.

3 ch
TOI
5 ch
toxin

Grammar separator: TOI vs toxin

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: TOI is aname and toxinanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 51934, derived from the frequency rank of both members and their visual similarity.

TOI is recorded at frequency rank #32,212, classified as aname. toxin is at rank #19,722, tagged as anoun, pronounced /ˈtɒksɪn/.

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 51934, this pair ranks #161,285 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of TOI vs toxin

Shared letters: iot. Private to "TOI": -. Private to "toxin": nx.

"TOI" · 3 letters · shape CVV  ·  "toxin" · 5 letters · shape CVCVC

Known mistypes of this pair

  • toxinotxin · toixn · toxinn · toxni · toxxin · ttoxin · txoin

Frequently Asked Questions

Is swapping "TOI" for "toxin" ever safe?
No - they are not even the same part of speech. "TOI" is a name and "toxin" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "TOI" vs "toxin" - which ranks higher?
"toxin" is the more common of the two: it sits at frequency rank #19,722 in our English list, against #32,212 for "TOI". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "TOI" and "toxin". Here's where to go from here.

  • Full dictionary entry for "TOI" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "toxin" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #161,285 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "TOI" and "toxin" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs TOI". 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 #161,285 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