acyclic

/eɪˈsaɪklɪk/

//eɪˈsaɪklɪk// adj

"acyclic" is a 7-letter English headword indexed on PlainSpell.

The verdict

“acyclic” is uncommon English (frequency #78,328 among 3,931 “A” headwords), classed as an adjective. The kind of spelling people second-guess.

#78,328
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not cyclic; having an open chain structure.

Corpus desk

Index EN-acyclic · acyclic · English

acyclic · rank #78,328 · 0 variants · 0 confusables

  • FREQ-RARE #78,328
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH ACG

Nearest frequency peer: ACG (-3 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 “acyclic”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for acyclic
PropertyValue
Headwordacyclic
LanguageEnglish
Part of speechAdjective
IPA/eɪˈsaɪklɪk/
Letters7
Frequency rank#78,328
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “acyclic” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).acyclicfalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “ACG” (#78,325), “adulteration” (#78,331), “Advaita” (#78,332). Among 3,931 “A” headwords, “acyclic” is #78,328. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

acyclic is uncommon English at frequency #78,328 among 3,931 “A” headwords, classed as anadjective, transcribed /eɪˈsaɪklɪk/. Rarity is why readers land here mid-draft. 3 senses are on record.

Our edit-distance generator produced no likely misspellings for acyclic, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From a- + cyclic. The correct English form is acyclic, spelled A-C-Y-C-L-I-C.

Definition

  1. 1
    Not cyclic; having an open chain structure.
  2. 2
    Containing no cycles.
  3. 3
    Of a flower, having its parts inserted spirally on the receptacle.

Etymology

From a- + cyclic.

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 "acyclic"?
"acyclic" is spelled A-C-Y-C-L-I-C. The IPA pronunciation is /eɪˈsaɪklɪk/.
What does "acyclic" mean?
As an adjective, "acyclic" means: Not cyclic; having an open chain structure.
How do you pronounce "acyclic"?
The IPA (International Phonetic Alphabet) transcription for "acyclic" is /eɪˈsaɪklɪk/. 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 "acyclic"?
From a- + cyclic. 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 "acyclic", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list