doi vs dos, What's the Difference?

Which to use

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

#27,038
“doi” frequency rank: #961
“dos” frequency rank: 27999
confusion score

Side-by-Side Comparison

Feature	doi	dos
Definition	Cas sujet de deus.	Partie du corps humain située au-dessus du postérieur, depuis le cou jusqu’aux reins.

Letter map: doi vs dos

Shared letters muted; letters that set doi and dos apart highlighted. Shared run: 2.

3 ch

doi

3 ch

dos

Role in the sentence - doi and dos

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: doi is anadjective and dosanoun. On the page they differ by a single letter - i in “doi” becomes s in “dos”. Our composite confusion score for this pair is 27999, derived from the frequency rank of both members and their visual similarity.

doi is recorded at frequency rank #27,038, classified as anadj. dos is at rank #961, tagged as anoun, pronounced \do\.

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 27999, this pair ranks #325,505 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of doi vs dos

Shared letters: do. Private to "doi": i. Private to "dos": s.

"doi" · 3 letters · shape CVV · "dos" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "doi" for "dos" ever safe?

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

In ordinary French text, does "doi" or "dos" show up more?

"dos" is the more common of the two: it sits at frequency rank #961 in our French list, against #27,038 for "doi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "doi" and "dos".

Full dictionary entry for "doi" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "dos" - compare definitions side by side with the headword page. Word entry
This pair ranks #325,505 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"doi" and "dos" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs doi". Nearby pair

Confusion rank #325,505 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.