do vs doi, What's the Difference?

Which to use

“do” is a noun and “doi” is a verb - they look or sound alike but fill different roles in a sentence.

#1,980
“do” frequency rank: #39,709
“doi” frequency rank: 41689
confusion score

Side-by-Side Comparison

Feature	do	doi
Definition	Nota musical. Corresponde a la primera en la escala musical, situada entre el si y el re.	Primera persona del singular del presente de indicativo de dar.

Where the eye mixes do and doi

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch

3 ch

doi

Why the eye confuses do with doi

These two trip readers on the page rather than in the ear: do is [ˈd̪o] while doi is [ˈdoj]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “do” sits inside “doi”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 41689, derived from the frequency rank of both members and their visual similarity.

do is recorded at frequency rank #1,980, classified as anoun, pronounced [ˈd̪o]. 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 41689, this pair ranks #152,275 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of do vs doi

Shared letters: do. Private to "do": -. Private to "doi": i.

"do" · 2 letters · shape CV · "doi" · 3 letters · shape CVV

Frequently Asked Questions

Do "do" and "doi" mean the same thing in a sentence?

No - they are not even the same part of speech. "do" is a noun and "doi" a verb, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "do" or "doi"?

"do" is the more common of the two: it sits at frequency rank #1,980 in our Spanish list, against #39,709 for "doi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "do" 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 #152,275 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"do" and "doi" also get mixed up with nearby pairs, the highest-scored neighbour is "doi vs dont". Nearby pair

Confusion rank #152,275 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.