oligoceno
[oliɣ̞oˈseno]
The verdict
“oligoceno” is uncommon Spanish (frequency #90,175 among 10,276 “O” headwords), classed as an adjective. The kind of spelling people second-guess.
- #90,175
- frequency rank, Spanish
- 10,276
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Perteneciente o relacionado con la tercera etapa del período Terciario en la era Cenozoica. Comenzó hace 33 millones de años y finalizó hace 23 millones de años aproximadamente. La exitinción que t...
| Property | Value |
|---|---|
| Headword | oligoceno |
| Language | Spanish |
| Part of speech | Adjective |
| IPA | [oliɣ̞oˈseno] |
| Letters | 9 |
| Frequency rank | #90,175 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “oligoceno” sits in Spanish frequency
Rare enough to double-check
oligoceno is uncommon Spanish at frequency #90,175 among 10,276 “O” headwords, classed as anadjective, transcribed [oliɣ̞oˈseno]. Rarity is why readers land here mid-draft. Gloss: "Perteneciente o relacionado con la tercera etapa del período Terciario en la era Cenozoica. Comenzó hace 33 millones de años y finalizó hace 23 millones de años aproximadamente. La exitinción que t...".
Zero misspellings are on record for oligoceno in our index, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Wiktionary doesn't record an etymology for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct Spanish form is oligoceno, spelled O-L-I-G-O-C-E-N-O.
Definition
- 1Perteneciente o relacionado con la tercera etapa del período Terciario en la era Cenozoica. Comenzó hace 33 millones de años y finalizó hace 23 millones de años aproximadamente. La exitinción que tuvo lugar en el Oligoceno no fue muy severa, pero eliminó a los enormes Titanotheres.
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 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “oligoceno”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is O-L-I-G-O-C-E-N-O - every other letter order is a misspelling in standard orthography.
- Say it as [oliɣ̞oˈseno] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more Spanish words and confusable pairs in the same reference. Spanish words
Other uncommon Spanish 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.