Welsh onion

noun

"welsh-onion" is a 10-letter English headword indexed on PlainSpell.

The verdict

“Welsh onion” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of species Allium fistulosum of onions, probably native to eastern Asia, widely cultivated.

Corpus desk

Index EN-welsh-onion · Welsh onion · English

Welsh onion · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "W" thin
  • PHOTO-UNK Peer pending

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.

Key facts for Welsh onion
PropertyValue
HeadwordWelsh onion
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Welsh onion” in English

Welsh onionranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Welsh onion is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any of species Allium fistulosum of onions, probably native to eastern Asia, widely cultivated.".

No misspelling variants are generated for Welsh onion in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From welsh + onion; capitalization is by conflation with Welsh, derived from welsh The correct English form is Welsh onion, spelled W-E-L-S-H- -O-N-I-O-N.

Definition

  1. 1
    Any of species Allium fistulosum of onions, probably native to eastern Asia, widely cultivated.

Etymology

From welsh + onion; capitalization is by conflation with Welsh, derived from welsh

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Welsh onion"?
"Welsh onion" is spelled W-E-L-S-H- -O-N-I-O-N.
What does "Welsh onion" mean?
As a noun, "Welsh onion" means: Any of species Allium fistulosum of onions, probably native to eastern Asia, widely cultivated.
What is the origin of the word "Welsh onion"?
From welsh + onion; capitalization is by conflation with Welsh, derived from welsh See the full etymology section above for more details.
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.

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

Source: FrequencyWords open word-frequency list