olefin
/ˈəʊləfɪn/
"olefin" is a 6-letter English headword indexed on PlainSpell.
The verdict
“olefin” is uncommon English (frequency #78,891 among 15,494 “O” headwords), classed as a noun. The kind of spelling people second-guess.
- #78,891
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of a class of unsaturated open-chain hydrocarbons such as ethylene; an alkene with only one carbon-carbon double bond.
| Property | Value |
|---|---|
| Headword | olefin |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈəʊləfɪn/ |
| Letters | 6 |
| Frequency rank | #78,891 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “olefin” sits in English frequency
Rare enough to double-check
olefin is uncommon English at frequency #78,891 among 15,494 “O” headwords, classed as anoun, transcribed /ˈəʊləfɪn/. Rarity is why readers land here mid-draft. Gloss: "Any of a class of unsaturated open-chain hydrocarbons such as ethylene; an alkene with only one carbon-carbon double bond.".
olefin has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From olefiant, "oil-producing". The correct English form is olefin, spelled O-L-E-F-I-N.
Definition
- 1Any of a class of unsaturated open-chain hydrocarbons such as ethylene; an alkene with only one carbon-carbon double bond.
Etymology
From olefiant, "oil-producing".
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
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Using “olefin”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is O-L-E-F-I-N - every other letter order is a misspelling in standard orthography.
- Say it as /ˈəʊləfɪn/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this 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.