Which to use
“meth” and “methyl” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #12,640
- “meth” frequency rank
- #21,869
- “methyl” frequency rank
- 34509
- confusion score
Side-by-Side Comparison
| Feature | meth | methyl |
|---|---|---|
| Definition | Methamphetamine, especially in the form of the crystalline hydrochloride. | The univalent hydrocarbon radical, CH₃-, formally derived from methane by the loss of a hydrogen atom; a compound or part of a compound formed by the attachment of such a radical. |
Where the eye mixes meth and methyl
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. meth runs 4 letters (CVCC) against methyl's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses meth with methyl
A purely visual mix-up. meth (/mɛθ/) and methyl (/ˈmɛθaɪl/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “meth” sits inside “methyl”. Our composite confusion score for this pair is 34509, derived from the frequency rank of both members and their visual similarity.
meth is recorded at frequency rank #12,640, classified as anoun, pronounced /mɛθ/. methyl is at rank #21,869, tagged as anoun, pronounced /ˈmɛθaɪl/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 34509, this pair ranks #320,182 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of meth vs methyl
Shared letters: ehmt. Private to "meth": -. Private to "methyl": ly.
"meth" · 4 letters · shape CVCC · "methyl" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "meth" and "methyl" be used interchangeably?
Which is more common, "meth" or "methyl"?
Useful next steps
Eye-level mix-up between "meth" and "methyl" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "meth" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "methyl" - compare definitions side by side with the headword page. Word entry
- This pair ranks #320,182 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "meth" and "methyl" also get mixed up with nearby pairs, the highest-scored neighbour is "Merthyr vs methyl". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #320,182 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.