Which to use
“toh” is a verb and “TOS” is a noun - they look or sound alike but fill different roles in a sentence.
- #47,966
- “toh” frequency rank
- #19,720
- “TOS” frequency rank
- 67686
- confusion score
Side-by-Side Comparison
| Feature | toh | TOS |
|---|---|---|
| Definition | To collapse (fail or break down internally); to fall asleep or collapse from exhaustion. | Initialism of terms of service. |
Where the eye mixes toh and TOS
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. toh and TOS follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses toh with TOS
These two trip readers on the page rather than in the ear: toh is [t˭o˦˨] while TOS is /tiː əʊ ɛs/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - h in “toh” becomes s in “TOS”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 67686, derived from the frequency rank of both members and their visual similarity.
toh is recorded at frequency rank #47,966, classified as averb, pronounced [t˭o˦˨]. TOS is at rank #19,720, tagged as anoun, pronounced /tiː əʊ ɛs/.
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 67686, this pair ranks #62,210 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of toh vs TOS
Shared letters: ot. Private to "toh": h. Private to "TOS": s.
"toh" · 3 letters · shape CVC · "TOS" · 3 letters · shape CVC
Frequently Asked Questions
Can "toh" and "TOS" be used interchangeably?
Frequency check: "toh" vs "TOS" - which ranks higher?
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 "toh" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "TOS" - compare definitions side by side with the headword page. Word entry
- This pair ranks #62,210 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "toh" and "TOS" also get mixed up with nearby pairs, the highest-scored neighbour is "Taf vs toh". Nearby pair
Confusion rank #62,210 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.