Ob
The verdict
“Ob” sits in 20 confusable pairs (corpus #31,155) as a proper noun. The look-alike neighbours are the real trap.
- #31,155
- frequency rank, French
- 1,642
- “O” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Fleuve de Sibérie, qui se jette dans l’océan Arctique.
Corpus desk
Index FR-ob · Ob · French
Ob · rank #31,155 · 0 variants · 20 confusables
- FREQ-MID #31,155
- LEN-SHORT 2 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 1,642
- PHOTO-FINISH oas
Nearest frequency peer: oas (-1 rank slots)
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Frequency neighbourhood for “Ob”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- numérotation
numérotation
68,849 corpus weight
- oas
oas
68,847 corpus weight
- Ob
Ob
68,846 corpus weight
- obsolescence
obsolescence
68,845 corpus weight
- occulter
occulter
68,844 corpus weight
- ogives
ogives
68,843 corpus weight
What this shows Bars show where “Ob” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | Ob |
| Language | French |
| Part of speech | Proper noun |
| Letters | 2 |
| Frequency rank | #31,155 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Où “Ob” se place dans la fréquence du français
Easy to mix with look-alikes
The spelling risk for Ob is neighbouring look-alikes ("on", "ou", …), not just typos; it is aproper noun. Frequency #31,155 among 1,642 “O” headwords. Gloss: "Fleuve de Sibérie, qui se jette dans l’océan Arctique.".
Ob doesn't appear in our generated misspelling index, a sign its spelling follows regular French conventions. It also participates in 20 confusable-pair relationships, "on", "ou", "or", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
This entry's etymology isn't recorded, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is Ob, spelled O-B.
Definition
- 1Fleuve de Sibérie, qui se jette dans l’océan Arctique.
Recorded use
Wiktionary exampleThese source excerpts show how Ob appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
– Ce n’est pas possible. Au-delà de l’Ob, il n’y a rien.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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What to do next
You've looked up "Ob". Here's where to go from here.
- "Ob" maps to 20 confusable pairs in this vintage; the highest-scored is "on". View pair
- Usage frequency rank #31,155 among French headwords in this corpus. Corpus statistics
- Browse more French words in the "O" letter cohort. O–Z browse
PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.