hammerhead

noun

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

The verdict

“hammerhead” is a moderately-common English word, ranked #42,686 in English word frequency and used as a noun.

#42,686
frequency rank, English
10
letters
13
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The portion of a hammer containing the metal striking face (also including the claw or peen if so equipped).

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

hammerhead vs hammered
80% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for hammerhead
PropertyValue
Headwordhammerhead
LanguageEnglish
Part of speechNoun
Letters10
Frequency rank#42,686
Misspellings tracked13
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “hammerhead” 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). hammerhead lands here:

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

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

Spelling & Dictionary Insight

The English entry for hammerhead is 10 letters long, classified as a noun. Corpus data places it at rank #42,686 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 8 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 13 likely wrong-spelling variants for hammerhead, with forms such as "ahmmerhead", "hamemrhead", and "hamerhead". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "hammered", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From hammer + head. The correct English form is hammerhead, spelled H-A-M-M-E-R-H-E-A-D.

Definition

  1. 1
    The portion of a hammer containing the metal striking face (also including the claw or peen if so equipped).
  2. 2
    Any organism with head shaped like that of a hammer:
  3. 3
    Any organism with head shaped like that of a hammer:
  4. 4
    Any organism with head shaped like that of a hammer:
  5. 5
    Any organism with head shaped like that of a hammer:
  6. 6
    A stupid person, a dunce.
  7. 7
    A turn-around; a parking area constructed in a subdivision for initial access and construction.
  8. 8
    A kind of ribozyme; hammerhead ribozyme.

Etymology

From hammer + head.

Synonyms

hammerhead sharkhammer fishbalance fish

This word in other languages

Common misspellings

Also misspelled as: ahmmerhead,hamemrhead,hamerhead,hammehread,hammerehad,hammerhaed,hammerheadd,hammerheda,hammerhhead,hammerrhead,hammrehead,hhammerhead,hmamerhead

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of hammerhead - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ahmmerhead2hamemrhead2hamerhead1hammehread2hammerehad2hammerhaed2hammerheadd1hammerheda2
Edit distance from "hammerhead"

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 "hammerhead"?
"hammerhead" is spelled H-A-M-M-E-R-H-E-A-D.
What does "hammerhead" mean?
As a noun, "hammerhead" means: The portion of a hammer containing the metal striking face (also including the claw or peen if so equipped).
What words are commonly confused with "hammerhead"?
"hammerhead" is commonly confused with "hammered". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "hammerhead"?
From hammer + head. 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.

Using “hammerhead”

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

  • The one correct English spelling is H-A-M-M-E-R-H-E-A-D - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “hammered” - see the side-by-side comparison. hammerhead vs hammered
  • Browse more English words and confusable pairs in the same reference. English words
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 FrequencyWords open word-frequency list