skull

/ˈskʌl/

//ˈskʌl// noun

"skull" is a 5-letter English headword indexed on PlainSpell.

The verdict

“skull” is a regularly-used English word, ranked #6,183 in English word frequency and used as a noun.

#6,183
frequency rank, English
5
letters
6
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The main bones of the head considered as a unit; including the cranium, facial bones, and mandible.

Visual similarity to commonly confused words

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

skull vs Sul
40% similar
skull vs soul
60% similar
skull vs Sulu
40% similar

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

Key facts for skull
PropertyValue
Headwordskull
LanguageEnglish
Part of speechNoun
IPA/ˈskʌl/
Letters5
Frequency rank#6,183
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “skull” 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). skull 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 skull is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈskʌl/. Corpus data places it at rank #6,183 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 7 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 6 likely wrong-spelling variants for skull, with forms such as "ksull", "skkull", and "sklul". 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 20 confusable-pair relationships, "Sul", "soul", "Sulu", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English sculle, scolle (also schulle, scholle), probably from a dialectal form of Old Norse skalli (“bald head, skull”), itself probably related to Old English sċealu (“husk”), to Proto-Norse *ᛋᚲᚨᛚᛟ (*skalo), from Proto-Germanic *skallô; compare… The correct English form is skull, spelled S-K-U-L-L.

Definition

  1. 1
    The main bones of the head considered as a unit; including the cranium, facial bones, and mandible.
  2. 2
    These bones as a symbol for death; death's-head.
  3. 3
    The mind or brain.
  4. 4
    A crust formed on the ladle, etc. by the partial cooling of molten metal.
  5. 5
    The crown of the headpiece in armour.
  6. 6
    A shallow bow-handled basket.
  7. 7
    The head or master of a college.

Etymology

From Middle English sculle, scolle (also schulle, scholle), probably from a dialectal form of Old Norse skalli (“bald head, skull”), itself probably related to Old English sċealu (“husk”), to Proto-Norse *ᛋᚲᚨᛚᛟ (*skalo), from Proto-Germanic *skallô; compare Finnish skallo. Compare Scots scull, Danish skal (“skull”) and skalle (“bald head, skull”), Norwegian skalle, Swedish skalle and especially dialectal Swedish skulle. Related to Old Norse skoltr (“brow”), skolptr (“muzzle, snout”), akin to Icelandic skoltur (“jaw”), dialectal Swedish skult, skulle (“dome, crown of the head, skull”), Norwegian Nynorsk skult, skolt (“cranium, head (of a hammer); crag; hub”), Middle Dutch scolle, scholle, Middle Low German scholle, schulle (“clod, sod”), and Scots skult, skolt. Compare also Old High German sciula, skiula (“skull”). Possibly related to Latin celsus (“lofty, high, tall”), collis (“hill”). Also related to Old Norse skǫllóttr, Icelandic sköllóttur, Old Swedish skallotter, Swedish skallig, Danish skaldet, Norwegian skallet (“bald”).

Synonyms

This word in other languages

Common misspellings

Also misspelled as: ksull,skkull,sklul,skul,sskull,sukll

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of skull - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ksull2skkull1sklul2skul1sskull1sukll2
Edit distance from "skull"

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 "skull"?
"skull" is spelled S-K-U-L-L. The IPA pronunciation is /ˈskʌl/.
What does "skull" mean?
As a noun, "skull" means: The main bones of the head considered as a unit; including the cranium, facial bones, and mandible.
What words are commonly confused with "skull"?
"skull" is commonly confused with "Sul", "soul", "Sulu". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "skull"?
The IPA (International Phonetic Alphabet) transcription for "skull" is /ˈskʌl/. 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 "skull"?
From Middle English sculle, scolle (also schulle, scholle), probably from a dialectal form of Old Norse skalli (“bald head, skull”), itself probably related to Old English sċealu (“husk”), to Proto-Norse *ᛋᚲᚨᛚᛟ (*skalo), from Proto-Germanic *skall... 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 “skull”

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

  • The one correct English spelling is S-K-U-L-L - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈskʌl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “Sul” - see the side-by-side comparison. skull vs Sul
  • 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