allyl
/ˈælaɪl/
"allyl" is a 5-letter English headword indexed on PlainSpell.
The verdict
“allyl” is uncommon English (frequency #84,971 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.
- #84,971
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The univalent radical, CH₂=CH-CH₂-, existing especially in oils of garlic and mustard.
Corpus desk
Index EN-allyl · allyl · English
allyl · rank #84,971 · 0 variants · 0 confusables
- FREQ-RARE #84,971
- LEN-MID 5 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH allergenic
Nearest frequency peer: allergenic (-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 “allyl”
Sparse band: bars invert rank so rarer forms read shorter
- aera
aera
15,039 corpus weight
- alighting
alighting
15,033 corpus weight
- allergenic
allergenic
15,031 corpus weight
- allyl
allyl
15,030 corpus weight
- Altadena
Altadena
15,028 corpus weight
- Anabaptist
Anabaptist
15,024 corpus weight
What this shows Long-tail view: where “allyl” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | allyl |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈælaɪl/ |
| Letters | 5 |
| Frequency rank | #84,971 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “allyl” in English
Rare enough to double-check
allyl is uncommon English at frequency #84,971 among 3,931 “A” headwords, classed as anoun, transcribed /ˈælaɪl/. Rarity is why readers land here mid-draft. Gloss: "The univalent radical, CH₂=CH-CH₂-, existing especially in oils of garlic and mustard.".
No misspelling variants are generated for allyl in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From Latin allium (“garlic”) + -yl. The correct English form is allyl, spelled A-L-L-Y-L.
Definition
- 1The univalent radical, CH₂=CH-CH₂-, existing especially in oils of garlic and mustard.
Etymology
From Latin allium (“garlic”) + -yl.
Synonyms
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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Similar English words by spelling shape
Same letter count and similar misspelling depth for "allyl", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 letters (nearest by frequency rank).