Which to use
“day” is a noun and “doi” is a verb - they look or sound alike but fill different roles in a sentence.
- #5,598
- “day” frequency rank
- #39,709
- “doi” frequency rank
- 45307
- confusion score
Side-by-Side Comparison
| Feature | day | doi |
|---|---|---|
| Definition | Día. | Primera persona del singular del presente de indicativo de dar. |
Where the eye mixes day and doi
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses day with doi
These two trip readers on the page rather than in the ear: day is /deɪ/ while doi is [ˈdoj]. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 45307, derived from the frequency rank of both members and their visual similarity.
day is recorded at frequency rank #5,598, classified as anoun, pronounced /deɪ/. doi is at rank #39,709, tagged as averb, pronounced [ˈdoj].
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 45307, this pair ranks #132,186 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of day vs doi
Shared letters: d. Private to "day": ay. Private to "doi": io.
"day" · 3 letters · shape CVV · "doi" · 3 letters · shape CVV
Frequently Asked Questions
Can "day" and "doi" be used interchangeably?
Frequency check: "day" vs "doi" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "day" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "doi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #132,186 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "day" and "doi" also get mixed up with nearby pairs, the highest-scored neighbour is "doi vs dont". Nearby pair
Confusion rank #132,186 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.