onion

/ˈʌn.jən/

//ˈʌn.jən// noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“onion” is uncommon Spanish (frequency #53,735 among 10,276 “O” headwords), classed as a noun. The kind of spelling people second-guess.

#53,735
frequency rank, Spanish
10,276
“O” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Cebolla.

Key facts for onion
PropertyValue
Headwordonion
LanguageSpanish
Part of speechNoun
IPA/ˈʌn.jən/
Letters5
Frequency rank#53,735
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “onion” sits in Spanish frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). onion lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

onion is uncommon Spanish at frequency #53,735 among 10,276 “O” headwords, classed as anoun, transcribed /ˈʌn.jən/. Rarity is why readers land here mid-draft. Gloss: "Cebolla.".

We couldn't generate a plausible misspelling set for onion, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

Our source data has no etymology on file for this entry, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Spanish form is onion, spelled O-N-I-O-N.

Definition

  1. 1
    Cebolla.

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

How do you spell "onion"?
"onion" is spelled O-N-I-O-N. The IPA pronunciation is /ˈʌn.jən/.
What does "onion" mean?
As a noun, "onion" means: Cebolla.
How do you pronounce "onion"?
The IPA (International Phonetic Alphabet) transcription for "onion" is /ˈʌn.jən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "onion" come from?
"onion" is a Spanish word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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.

Using “onion”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Spanish spelling is O-N-I-O-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈʌn.jən/ (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.

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

Source: FrequencyWords open word-frequency list