TokiovstonicConfusable pair

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

Which to use

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

#45,918
“Tokio” frequency rank
#45,350
“tonic” frequency rank
91268
confusion score

Side-by-Side Comparison

Feature Tokio tonic
Definition Ancienne orthographe de Tokyo (ville du Japon). Tonique, qualifie la première note d’un ton.

Where the eye mixes Tokio and tonic

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

5 ch
Tokio
5 ch
tonic

Visual trap between Tokio and tonic

These two trip readers on the page rather than in the ear: Tokio is \to.kjo\ while tonic is \tuˈnik\. 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 91268, 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\. tonic is at rank #45,350, tagged as anadj, pronounced \tuˈnik\.

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 91268, this pair ranks #4,015 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Tokio vs tonic

Shared letters: iot. Private to "Tokio": k. Private to "tonic": cn.

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

Known mistypes of this pair

  • Tokio ← otkio · tkoio · toiko · tokkio · tokoi · ttokio
  • tonic ← otnic · tnoic · toinc · tonci · tonicc · tonnic · ttonic

Frequently Asked Questions

Can "Tokio" and "tonic" be used interchangeably?
No - they are not even the same part of speech. "Tokio" is a name and "tonic" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Tokio" vs "tonic" - which ranks higher?
"tonic" is the more common of the two: it sits at frequency rank #45,350 in our French list, against #45,918 for "Tokio". 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 "tonic" 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 "tonic" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #4,015 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Tokio" and "tonic" 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 #4,015 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