pentalpha

noun

"pentalpha" is a 9-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A pentagram.

Corpus desk

Index EN-pentalpha · pentalpha · English

pentalpha · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" 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 pentalpha
PropertyValue
Headwordpentalpha
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “pentalpha” in English

pentalpharanks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

pentalpha is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A pentagram.".

pentalpha doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Ancient Greek πένταλφα (péntalpha), from πέντε (pente) and ἄλφα (alpha), five alphas. So called for its resemblance to five alphas superimposed at different rotations. The correct English form is pentalpha, spelled P-E-N-T-A-L-P-H-A.

Definition

  1. 1
    A pentagram.

Etymology

From Ancient Greek πένταλφα (péntalpha), from πέντε (pente) and ἄλφα (alpha), five alphas. So called for its resemblance to five alphas superimposed at different rotations.

Synonyms

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 "pentalpha"?
"pentalpha" is spelled P-E-N-T-A-L-P-H-A.
What does "pentalpha" mean?
As a noun, "pentalpha" means: A pentagram.
What is the origin of the word "pentalpha"?
From Ancient Greek πένταλφα (péntalpha), from πέντε (pente) and ἄλφα (alpha), five alphas. So called for its resemblance to five alphas superimposed at different rotations. 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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list