TobinvstoxicWhich spelling fits?

Quick tell: Tobin is a name, toxic is an adjective, so they fill different roles in a sentence.

Which to use

“Tobin” is a name and “toxic” is an adjective - they look or sound alike but fill different roles in a sentence.

#28,402
“Tobin” frequency rank
#4,807
“toxic” frequency rank
33209
confusion score

Side-by-Side Comparison

Feature Tobin toxic
Definition A surname. Having a chemical nature that is harmful to health or lethal if consumed or otherwise entering into the body in sufficient quantities.

Where the eye mixes Tobin and toxic

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Tobin and toxic follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
Tobin
5 ch
toxic

Visual trap between Tobin and toxic

These two trip readers on the page rather than in the ear: Tobin is /ˈtoʊbɪn/ while toxic is /ˈtɒk.sɪk/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 33209, derived from the frequency rank of both members and their visual similarity.

Tobin is recorded at frequency rank #28,402, classified as aname, pronounced /ˈtoʊbɪn/. toxic is at rank #4,807, tagged as anadj, pronounced /ˈtɒk.sɪk/.

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 33209, this pair ranks #331,396 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Tobin vs toxic

Shared letters: iot. Private to "Tobin": bn. Private to "toxic": cx.

"Tobin" · 5 letters · shape CVCVC  ·  "toxic" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Tobin ← otbin · tboin · tobbin · tobinn · tobni · toibn · ttobin
  • toxic ← otxic · toixc · toxci · toxicc · toxxic · ttoxic · txoic

Frequently Asked Questions

Do "Tobin" and "toxic" mean the same thing in a sentence?
No - they are not even the same part of speech. "Tobin" is a name and "toxic" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Tobin" or "toxic"?
"toxic" is the more common of the two: it sits at frequency rank #4,807 in our English list, against #28,402 for "Tobin". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Tobin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "toxic" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #331,396 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Tobin" and "toxic" also get mixed up with nearby pairs, the highest-scored neighbour is "tobe vs Tobin". 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 #331,396 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