TokiovstoxicWhich spelling fits?

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

Which to use

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

#45,918
“Tokio” frequency rank
#46,499
“toxic” frequency rank
92417
confusion score

Side-by-Side Comparison

Feature Tokio toxic
Definition Ancienne orthographe de Tokyo (ville du Japon). Toxique (dangereux pour la santé).

Where the eye mixes Tokio and toxic

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

5 ch
Tokio
5 ch
toxic

Visual trap between Tokio and toxic

These two trip readers on the page rather than in the ear: Tokio is \to.kjo\ 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 92417, derived from the frequency rank of both members and their visual similarity.

Tokio is recorded at frequency rank #45,918, classified as aname, pronounced \to.kjo\. toxic is at rank #46,499, 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 92417, this pair ranks #3,010 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Tokio vs toxic

Shared letters: iot. Private to "Tokio": k. Private to "toxic": cx.

"Tokio" · 5 letters · shape CVCVV  ·  "toxic" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Tokio ← otkio · tkoio · toiko · tokkio · tokoi · ttokio
  • toxic ← otxic · toixc · toxci · toxicc · toxxic · ttoxic · txoic

Frequently Asked Questions

Is swapping "Tokio" for "toxic" ever safe?
No - they are not even the same part of speech. "Tokio" is a name and "toxic" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "Tokio" or "toxic" show up more?
"Tokio" is the more common of the two: it sits at frequency rank #45,918 in our French list, against #46,499 for "toxic". 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 "Tokio" and "toxic" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Tokio" 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 #3,010 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Tokio" and "toxic" also get mixed up with nearby pairs, the highest-scored neighbour is "token vs Tokio". 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 #3,010 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list