ObvsoudWhich spelling fits?

Quick tell: Ob is a name, oud is a noun, so they fill different roles in a sentence.

Which to use

“Ob” is a name and “oud” is a noun - they look or sound alike but fill different roles in a sentence.

#31,155
“Ob” frequency rank
#40,901
“oud” frequency rank
72056
confusion score

Side-by-Side Comparison

Feature Ob oud
Definition Fleuve de Sibérie, qui se jette dans l’océan Arctique. Luth à cordes pincées, au corps piriforme, au manche court couvert d'une touche lisse dépourvue de frettes, à onze ou douze cordes, très répandu dans les pays arabes, en Turquie, en Grèce et en Arménie. Il se joue avec un plectre.

Letter map: Ob vs oud

Shared letters muted; letters that set Ob and oud apart highlighted. Shared run: 1.

2 ch
Ob
3 ch
oud

Part-of-speech tell for Ob / oud

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Ob is aname and oudanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 72056, derived from the frequency rank of both members and their visual similarity.

Ob is recorded at frequency rank #31,155, classified as aname. oud is at rank #40,901, tagged as anoun, pronounced \ud\.

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 72056, this pair ranks #45,381 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Ob vs oud

Shared letters: o. Private to "Ob": b. Private to "oud": du.

"Ob" · 2 letters · shape VC  ·  "oud" · 3 letters · shape VVC

Frequently Asked Questions

Can "Ob" and "oud" be used interchangeably?
No - they are not even the same part of speech. "Ob" is a name and "oud" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Ob" or "oud"?
"Ob" is the more common of the two: it sits at frequency rank #31,155 in our French list, against #40,901 for "oud". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "Ob" vs "oud" is on the table, pick a follow-up below.

  • Full dictionary entry for "Ob" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "oud" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #45,381 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Ob" and "oud" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs oud". Nearby pair

Confusion rank #45,381 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