pyridine
/ ˈpɪrɪˌdin/
"pyridine" is a 8-letter English headword indexed on PlainSpell.
The verdict
“pyridine” is uncommon English (frequency #74,422 among 4,417 “P” headwords), classed as a noun. The kind of spelling people second-guess.
- #74,422
- frequency rank, English
- 4,417
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of a class of aromatic heterocyclic compounds containing a ring of five carbon atoms and a nitrogen atom; especially the simplest one, C₅H₅N.
Corpus desk
Index EN-pyridine · pyridine · English
pyridine · rank #74,422 · 0 variants · 0 confusables
- FREQ-RARE #74,422
- LEN-LONG 8 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,417
- PHOTO-FINISH Pyrrhus
Nearest frequency peer: Pyrrhus (+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 “pyridine”
Sparse band: bars invert rank so rarer forms read shorter
- punctually
punctually
25,583 corpus weight
- punditry
punditry
25,582 corpus weight
- pyridine
pyridine
25,579 corpus weight
- Pyrrhus
Pyrrhus
25,578 corpus weight
- quashing
quashing
25,577 corpus weight
- quickfire
quickfire
25,576 corpus weight
What this shows Long-tail view: where “pyridine” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | pyridine |
| Language | English |
| Part of speech | Noun |
| IPA | / ˈpɪrɪˌdin/ |
| Letters | 8 |
| Frequency rank | #74,422 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “pyridine” in English
Rare enough to double-check
pyridine is uncommon English at frequency #74,422 among 4,417 “P” headwords, classed as anoun, transcribed / ˈpɪrɪˌdin/. Rarity is why readers land here mid-draft. Gloss: "Any of a class of aromatic heterocyclic compounds containing a ring of five carbon atoms and a nitrogen atom; especially the simplest one, C₅H₅N.".
pyridine doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From German Pyridin. The correct English form is pyridine, spelled P-Y-R-I-D-I-N-E.
Definition
- 1Any of a class of aromatic heterocyclic compounds containing a ring of five carbon atoms and a nitrogen atom; especially the simplest one, C₅H₅N.
Etymology
From German Pyridin.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "pyridine", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 letters (nearest by frequency rank).