jackhammer

/ˈd͡ʒækˌhæmɚ/

//ˈd͡ʒækˌhæmɚ// noun

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

The verdict

“jackhammer” is uncommon English (frequency #64,455 among 4,872 “J” headwords), classed as a noun. The kind of spelling people second-guess.

#64,455
frequency rank, English
4,872
“J” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A portable percussive power tool that combines a hammer and chisel used to drill or break hard matter, for instance rock or concrete.

Corpus desk

Index EN-jackhammer · jackhammer · English

jackhammer · rank #64,455 · 0 variants · 0 confusables

  • FREQ-RARE #64,455
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,872
  • PHOTO-FINISH jabbed

Nearest frequency peer: jabbed (-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.

Frequency neighbourhood for “jackhammer”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “jackhammer” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for jackhammer
PropertyValue
Headwordjackhammer
LanguageEnglish
Part of speechNoun
IPA/ˈd͡ʒækˌhæmɚ/
Letters10
Frequency rank#64,455
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “jackhammer” sits in English 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). jackhammer 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

jackhammer is uncommon English at frequency #64,455 among 4,872 “J” headwords, classed as anoun, transcribed /ˈd͡ʒækˌhæmɚ/. Rarity is why readers land here mid-draft. 2 senses are on record.

jackhammer has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From jack + hammer. The correct English form is jackhammer, spelled J-A-C-K-H-A-M-M-E-R.

Definition

  1. 1
    A portable percussive power tool that combines a hammer and chisel used to drill or break hard matter, for instance rock or concrete.
  2. 2
    Something that is very strong but also very rigid.

Etymology

From jack + hammer.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "jackhammer"?
"jackhammer" is spelled J-A-C-K-H-A-M-M-E-R. The IPA pronunciation is /ˈd͡ʒækˌhæmɚ/.
What does "jackhammer" mean?
As a noun, "jackhammer" means: A portable percussive power tool that combines a hammer and chisel used to drill or break hard matter, for instance rock or concrete.
How do you pronounce "jackhammer"?
The IPA (International Phonetic Alphabet) transcription for "jackhammer" is /ˈd͡ʒækˌhæmɚ/. 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 "jackhammer"?
From jack + hammer. 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 "jackhammer", not the corpus desk frequency band.

Same letter count

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