chron

/kɹɒn/

//kɹɒn// noun

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

The verdict

“chron” is uncommon English (frequency #79,379 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#79,379
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A period of time between two geomagnetic reversals.

Corpus desk

Index EN-chron · chron · English

chron · rank #79,379 · 0 variants · 0 confusables

  • FREQ-RARE #79,379
  • LEN-MID 5 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH chlorination

Nearest frequency peer: chlorination (-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 “chron”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for chron
PropertyValue
Headwordchron
LanguageEnglish
Part of speechNoun
IPA/kɹɒn/
Letters5
Frequency rank#79,379
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “chron” 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).chronfalls 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: “chlorination” (#79,378), “chiaroscuro” (#79,376), “Chiao” (#79,375). Among 5,599 “C” headwords, “chron” is #79,379. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

chron is uncommon English at frequency #79,379 among 5,599 “C” headwords, classed as anoun, transcribed /kɹɒn/. Rarity is why readers land here mid-draft. Gloss: "A period of time between two geomagnetic reversals.".

Our edit-distance generator produced no likely misspellings for chron, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: Apparently from chrono-, perhaps for resonance with eon. The correct English form is chron, spelled C-H-R-O-N.

Definition

  1. 1
    A period of time between two geomagnetic reversals.

Etymology

Apparently from chrono-, perhaps for resonance with eon.

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 "chron"?
"chron" is spelled C-H-R-O-N. The IPA pronunciation is /kɹɒn/.
What does "chron" mean?
As a noun, "chron" means: A period of time between two geomagnetic reversals.
How do you pronounce "chron"?
The IPA (International Phonetic Alphabet) transcription for "chron" is /kɹɒn/. 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 "chron"?
Apparently from chrono-, perhaps for resonance with eon. 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 "chron", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list