Orinoco
/ˌoʊ.ɹɪˈnoʊ.koʊ/
"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
- Olivet
Olivet
34,638 corpus weight
- omnivorous
omnivorous
34,637 corpus weight
- orienteering
orienteering
34,634 corpus weight
- Orinoco
Orinoco
34,633 corpus weight
- Orozco
Orozco
34,632 corpus weight
- outwith
outwith
34,629 corpus weight
What this shows Long-tail view: where “Orinoco” sits against similarly uncommon English ranks.
| 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) |
Long-tail rank of “Orinoco” in English
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
- 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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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).