polycyclic
"polycyclic" is a 10-letter English headword indexed on PlainSpell.
The verdict
“polycyclic” is uncommon English (frequency #71,803 among 46,516 “P” headwords), classed as an adjective. The kind of spelling people second-guess.
- #71,803
- frequency rank, English
- 46,516
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Involving more than one cycle.
Corpus desk
Index EN-polycyclic · polycyclic · English
polycyclic · rank #71,803 · 0 variants · 0 confusables
- FREQ-RARE #71,803
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 46,516
- PHOTO-FINISH politicize
Nearest frequency peer: politicize (-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.
Frequency neighbourhood for “polycyclic”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- podcaster
podcaster
28,202 corpus weight
- pola
pola
28,201 corpus weight
- politicize
politicize
28,199 corpus weight
- polycyclic
polycyclic
28,198 corpus weight
- Poonam
Poonam
28,197 corpus weight
- poulter
poulter
28,196 corpus weight
What this shows Bars show where “polycyclic” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | polycyclic |
| Language | English |
| Part of speech | Adjective |
| Letters | 10 |
| Frequency rank | #71,803 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “polycyclic” sits in English frequency
Rare enough to double-check
polycyclic is uncommon English at frequency #71,803 among 46,516 “P” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 3 senses are on record.
polycyclic has no tracked misspelling variants, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From poly- + cyclic. The correct English form is polycyclic, spelled P-O-L-Y-C-Y-C-L-I-C.
Definition
- 1Involving more than one cycle.
- 2Having two or more rings of atoms in the molecule.
- 3Having the members of a series, such as a calyx or corolla, in several circles.
Etymology
From poly- + 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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "polycyclic", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).
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.