hemicrania

noun

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

The verdict

“hemicrania” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A headache affecting one side of the head.

Corpus desk

Index EN-hemicrania · hemicrania · English

hemicrania · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "H" thin
  • PHOTO-UNK Peer pending

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.

Key facts for hemicrania
PropertyValue
Headwordhemicrania
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “hemicrania” in English

hemicraniasits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

hemicrania is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A headache affecting one side of the head.".

hemicrania has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From Late Latin hemicrania (“pain in one half of the head”), from Ancient Greek ἡμικρᾱνίᾰ (hēmikrāníă), from ἡμι- (hēmi-, “hemi-, half”) + κρανίον (kraníon, “skull”) (from whence also cranium). Cognate to megrim and migraine, which also derive from the Latin. The correct English form is hemicrania, spelled H-E-M-I-C-R-A-N-I-A.

Definition

  1. 1
    A headache affecting one side of the head.

Recorded use

Wiktionary example

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

  1. Gods, gods, why do you punish me? Yes, no doubt it is upon me again, again this terrible, invincible affliction … this hemicrania which grips half the head with pain … without remedy, without escape … I must try not to move my head. …

Etymology

From Late Latin hemicrania (“pain in one half of the head”), from Ancient Greek ἡμικρᾱνίᾰ (hēmikrāníă), from ἡμι- (hēmi-, “hemi-, half”) + κρανίον (kraníon, “skull”) (from whence also cranium). Cognate to megrim and migraine, which also derive from the Latin.

Synonyms

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "hemicrania"?
"hemicrania" is spelled H-E-M-I-C-R-A-N-I-A.
What does "hemicrania" mean?
As a noun, "hemicrania" means: A headache affecting one side of the head.
What is the origin of the word "hemicrania"?
From Late Latin hemicrania (“pain in one half of the head”), from Ancient Greek ἡμικρᾱνίᾰ (hēmikrāníă), from ἡμι- (hēmi-, “hemi-, half”) + κρανίον (kraníon, “skull”) (from whence also cranium). Cognate to megrim and migraine, which also derive fro... See the full etymology section above for more details.
Is PlainSpell free to use?
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Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list