Orinoco
/ˌoʊ.ɹɪˈnoʊ.koʊ/
"orinoco" is a 7-letter English headword indexed on PlainSpell.
The verdict
“Orinoco” is uncommon English (frequency #65,368 among 15,494 “O” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #65,368
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A South American river flowing 1600 miles (2410 km) from Brazil through Venezuela to the Atlantic Ocean.
| Property | Value |
|---|---|
| Headword | Orinoco |
| Language | English |
| Part of speech | Proper noun |
| IPA | /ˌoʊ.ɹɪˈnoʊ.koʊ/ |
| Letters | 7 |
| Frequency rank | #65,368 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Orinoco” sits in English frequency
Rare enough to double-check
Orinoco is uncommon English at frequency #65,368 among 15,494 “O” headwords, classed as aproper noun, transcribed /ˌoʊ.ɹɪˈnoʊ.koʊ/. Rarity is why readers land here mid-draft. 2 senses are on record.
Orinoco doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.
This entry carries no recorded etymology, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is Orinoco, spelled O-R-I-N-O-C-O.
Definition
- 1A South American river flowing 1600 miles (2410 km) from Brazil through Venezuela to the Atlantic Ocean.
- 2The Orinoco river basin of Venezuela.
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 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “Orinoco”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-R-I-N-O-C-O - every other letter order is a misspelling in standard orthography.
- Say it as /ˌoʊ.ɹɪˈnoʊ.koʊ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.