Algol

name

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

The verdict

“Algol” is an uncommon English word, ranked #89,087 in English word frequency and used as a proper noun.

#89,087
frequency rank, English
5
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An eclipsing binary star in the constellation of Perseus; Beta (β) Persei. It represents the eye of Medusa, whose head is being held by Perseus.

Key facts for Algol
PropertyValue
HeadwordAlgol
LanguageEnglish
Part of speechProper noun
Letters5
Frequency rank#89,087
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Algol” 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). Algol 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 Algol is 5 letters long, classified as a proper noun. Corpus data places it at rank #89,087 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "An eclipsing binary star in the constellation of Perseus; Beta (β) Persei. It represents the eye of Medusa, whose head is being held by Perseus.".

We couldn't generate a plausible misspelling set for Algol, a sign its spelling follows regular English conventions. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From Arabic الْغُول (al-ḡūl, “the ghoul”). The correct English form is Algol, spelled A-L-G-O-L.

Definition

  1. 1
    An eclipsing binary star in the constellation of Perseus; Beta (β) Persei. It represents the eye of Medusa, whose head is being held by Perseus.

Etymology

From Arabic الْغُول (al-ḡūl, “the ghoul”).

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.

Frequently Asked Questions

How do you spell "Algol"?
"Algol" is spelled A-L-G-O-L.
What does "Algol" mean?
As a proper noun, "Algol" means: An eclipsing binary star in the constellation of Perseus; Beta (β) Persei. It represents the eye of Medusa, whose head is being held by Perseus.
What is the origin of the word "Algol"?
From Arabic الْغُول (al-ḡūl, “the ghoul”). 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 “Algol”

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

  • The one correct English spelling is A-L-G-O-L - every other letter order is a misspelling in standard orthography.
  • 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