Aion

name

"aion" is a 4-letter English headword indexed on PlainSpell.

The verdict

“Aion” is uncommon English (frequency #85,994 among 3,931 “A” headwords), classed as a proper noun. The kind of spelling people second-guess.

#85,994
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A Hellenistic deity associated with time, the orb or circle encompassing the universe, and the zodiac.

Corpus desk

Index EN-aion · Aion · English

Aion · rank #85,994 · 0 variants · 0 confusables

  • FREQ-RARE #85,994
  • LEN-MID 4 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH akimbo

Nearest frequency peer: akimbo (+1 rank slots)

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.

Long-tail ranks near “Aion”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “Aion” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Aion
PropertyValue
HeadwordAion
LanguageEnglish
Part of speechProper noun
Letters4
Frequency rank#85,994
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “Aion” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).Aionfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “akimbo” (#85,995), “affixing” (#85,992), “Albano” (#85,997). Among 3,931 “A” headwords, “Aion” is #85,994. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Aion is uncommon English at frequency #85,994 among 3,931 “A” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for Aion, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Ancient Greek Αἰών (Aiṓn, “Greek god or personification, Gnostic spirit”). The correct English form is Aion, spelled A-I-O-N.

Definition

  1. 1
    A Hellenistic deity associated with time, the orb or circle encompassing the universe, and the zodiac.
  2. 2
    Alternative spelling of aeon.

Etymology

From Ancient Greek Αἰών (Aiṓn, “Greek god or personification, Gnostic spirit”).

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 "Aion"?
"Aion" is spelled A-I-O-N.
What does "Aion" mean?
As a proper noun, "Aion" means: A Hellenistic deity associated with time, the orb or circle encompassing the universe, and the zodiac.
What is the origin of the word "Aion"?
From Ancient Greek Αἰών (Aiṓn, “Greek god or personification, Gnostic spirit”). 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "Aion", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list