pufferfish

/ˈpʌfɚˌfɪʃ/

//ˈpʌfɚˌfɪʃ// noun

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

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

The verdict

“pufferfish” is uncommon English (frequency #97,464 among 4,417 “P” headwords), classed as a noun. The kind of spelling people second-guess.

#97,464
frequency rank, English
4,417
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any species of fish of the family Tetraodontidae that have the ability to inflate themselves to a globe several times their normal size by swallowing water or air when threatened; puffer, blowfish,...

Corpus desk

Index EN-pufferfish · pufferfish · English

pufferfish · rank #97,464 · 0 variants · 0 confusables

  • FREQ-RARE #97,464
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH pshh

Nearest frequency peer: pshh (-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 “pufferfish”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for pufferfish
PropertyValue
Headwordpufferfish
LanguageEnglish
Part of speechNoun
IPA/ˈpʌfɚˌfɪʃ/
Letters10
Frequency rank#97,464
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “pufferfish” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).pufferfishfalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “pshh” (#97,463), “Purnima” (#97,465), “qh” (#97,467). Among 4,417 “P” headwords, “pufferfish” is #97,464. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

pufferfish is uncommon English at frequency #97,464 among 4,417 “P” headwords, classed as anoun, transcribed /ˈpʌfɚˌfɪʃ/. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for pufferfish in our index, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From puffer + fish. The correct English form is pufferfish, spelled P-U-F-F-E-R-F-I-S-H.

Definition

  1. 1
    Any species of fish of the family Tetraodontidae that have the ability to inflate themselves to a globe several times their normal size by swallowing water or air when threatened; puffer, blowfish, swellfish, balloonfish, globefish.
  2. 2
    The meat of these fish, a delicacy popular in Japan served raw as sushi that may, if improperly prepared, contain deadly levels of neurotoxins; (Japanese) fugu.

Recorded use

Wiktionary example

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

  1. Recently, however, a scientist in Britain proposed a short cut that would use the genome of the fugu, a pufferfish known as a dangerous delicacy among Japanese sushi eaters, to speed the search for human genes.

Etymology

From puffer + fish.

Synonyms

balloonfishblowfishglobefishpufferswellfishfugu

This word in other languages

Kugelfisch(Deutsch)

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 "pufferfish"?
"pufferfish" is spelled P-U-F-F-E-R-F-I-S-H. The IPA pronunciation is /ˈpʌfɚˌfɪʃ/.
What does "pufferfish" mean?
As a noun, "pufferfish" means: Any species of fish of the family Tetraodontidae that have the ability to inflate themselves to a globe several times their normal size by swallowing water or air when threatened; puffer, blowfish,...
How do you pronounce "pufferfish"?
The IPA (International Phonetic Alphabet) transcription for "pufferfish" is /ˈpʌfɚˌfɪʃ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "pufferfish"?
From puffer + fish. 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 "pufferfish", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

prerelease#97,457radiograph#97,474paroxetine#97,416Parmigiano#97,415

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

Source: FrequencyWords open word-frequency list