Orinoco

/ˌoʊ.ɹɪˈnoʊ.koʊ/

//ˌoʊ.ɹɪˈnoʊ.koʊ// name

"orinoco" is a 7-letter English headword indexed on PlainSpell.

The verdict

“Orinoco” is uncommon English (frequency #65,368 among 1,431 “O” headwords), classed as a proper noun. The kind of spelling people second-guess.

#65,368
frequency rank, English
1,431
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A South American river flowing 1600 miles (2410 km) from Brazil through Venezuela to the Atlantic Ocean.

Corpus desk

Index EN-orinoco · Orinoco · English

Orinoco · rank #65,368 · 0 variants · 0 confusables

  • FREQ-RARE #65,368
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,431
  • PHOTO-FINISH orienteering

Nearest frequency peer: orienteering (-1 rank slots)

Read with this headword: Spelling guide for this pattern

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.

Long-tail ranks near “Orinoco”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “Orinoco” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Orinoco
PropertyValue
HeadwordOrinoco
LanguageEnglish
Part of speechProper noun
IPA/ˌoʊ.ɹɪˈnoʊ.koʊ/
Letters7
Frequency rank#65,368
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Orinoco” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).Orinocofalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “orienteering” (#65,367), “Orozco” (#65,369), “omnivorous” (#65,364). Among 1,431 “O” headwords, “Orinoco” is #65,368. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Orinoco is uncommon English at frequency #65,368 among 1,431 “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

  1. 1
    A South American river flowing 1600 miles (2410 km) from Brazil through Venezuela to the Atlantic Ocean.
  2. 2
    The 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

How do you spell "Orinoco"?
"Orinoco" is spelled O-R-I-N-O-C-O. The IPA pronunciation is /ˌoʊ.ɹɪˈnoʊ.koʊ/.
What does "Orinoco" mean?
As a proper noun, "Orinoco" means: A South American river flowing 1600 miles (2410 km) from Brazil through Venezuela to the Atlantic Ocean.
How do you pronounce "Orinoco"?
The IPA (International Phonetic Alphabet) transcription for "Orinoco" is /ˌoʊ.ɹɪˈnoʊ.koʊ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Orinoco" come from?
"Orinoco" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "Orinoco", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list