oto
"oto" is a 3-letter English headword indexed on PlainSpell.
The verdict
“oto” is uncommon English (frequency #57,615 among 15,494 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #57,615
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An otocinclus (freshwater fish, genus Otocinclus).
| Property | Value |
|---|---|
| Headword | oto |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #57,615 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “oto” sits in English frequency
Rare enough to double-check
oto is uncommon English at frequency #57,615 among 15,494 “O” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "An otocinclus (freshwater fish, genus Otocinclus).".
The misspelling generator found no plausible variants for oto, since its letter pattern doesn't lend itself to common typo substitutions. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: Clipping of otocinclus. The correct English form is oto, spelled O-T-O.
Definition
- 1An otocinclus (freshwater fish, genus Otocinclus).
Etymology
Clipping of otocinclus.
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 “oto”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-T-O - every other letter order is a misspelling in standard orthography.
- 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.