groundswell

noun

"groundswell" is a 11-letter English headword indexed on PlainSpell.

The verdict

“groundswell” is uncommon English (frequency #67,489 among 2,313 “G” headwords), classed as a noun. The kind of spelling people second-guess.

#67,489
frequency rank, English
2,313
“G” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A broad undulation of the open ocean, often as the result of a distant disturbance.

Corpus desk

Index EN-groundswell · groundswell · English

groundswell · rank #67,489 · 0 variants · 0 confusables

  • FREQ-RARE #67,489
  • LEN-MEGA 11 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,313
  • PHOTO-FINISH groundnut

Nearest frequency peer: groundnut (-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 “groundswell”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “groundswell” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for groundswell
PropertyValue
Headwordgroundswell
LanguageEnglish
Part of speechNoun
Letters11
Frequency rank#67,489
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “groundswell” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).groundswellfalls in this rarity band:

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

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “groundnut” (#67,488), “grump” (#67,490), “gyros” (#67,491). Among 2,313 “G” headwords, “groundswell” is #67,489. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

groundswell is uncommon English at frequency #67,489 among 2,313 “G” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

groundswell doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From ground + swell. The correct English form is groundswell, spelled G-R-O-U-N-D-S-W-E-L-L.

Definition

  1. 1
    A broad undulation of the open ocean, often as the result of a distant disturbance.
  2. 2
    A broadly-based shifting of public opinion.

Recorded use

Wiktionary examples

These source excerpts show how groundswell appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. An astonishing groundswell of support for the new Democratic frontrunner, Barack Obama, is threatening to sweep Hillary Clinton away in New Hampshire, which holds the first primary election of the 2008 presidential contest tomorrow.
  2. The 1987 book British Piers was written at a time when Britain's seaside resorts were perhaps at their lowest ebb, with a groundswell of support for rejuvenation and conservation just beginning.

Etymology

From ground + swell.

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

How do you spell "groundswell"?
"groundswell" is spelled G-R-O-U-N-D-S-W-E-L-L.
What does "groundswell" mean?
As a noun, "groundswell" means: A broad undulation of the open ocean, often as the result of a distant disturbance.
What is the origin of the word "groundswell"?
From ground + swell. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "groundswell", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list