mambavsMDMAWhich spelling fits?

Which to use

“mamba” and “MDMA” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#44,919
“mamba” frequency rank
#35,404
“MDMA” frequency rank
80323
confusion score

Side-by-Side Comparison

Feature mamba MDMA
Definition Any of various venomous snakes of the genus Dendroaspis, native to Africa, that live in trees. 3,4-methylenedioxymethamphetamine, a synthetic entactogen of the methylenedioxyphenethylamine family.

Letter map: mamba vs MDMA

Shared letters muted; letters that set mamba and MDMA apart highlighted. Shared run: 3. mamba runs 5 letters (CVCCV) against MDMA's 4 (CCCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
mamba
4 ch
MDMA

Spelling & dictionary notes on mamba vs MDMA

mamba and MDMA are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 80323, derived from the frequency rank of both members and their visual similarity.

mamba is recorded at frequency rank #44,919, classified as anoun, pronounced /ˈmæmbə/. MDMA is at rank #35,404, tagged as anoun.

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 80323, this pair ranks #20,060 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of mamba vs MDMA

Shared letters: am. Private to "mamba": b. Private to "MDMA": d.

"mamba" · 5 letters · shape CVCCV  ·  "MDMA" · 4 letters · shape CCCV

Known mistypes of this pair

  • mamba ← ammba · mabma · mamab · mambba · mammba · mmaba · mmamba
  • MDMA ← dmma · mdam · mddma · mdmma · mmda · mmdma

Frequently Asked Questions

Can "mamba" and "MDMA" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "mamba" vs "MDMA" - which ranks higher?
"MDMA" is the more common of the two: it sits at frequency rank #35,404 in our English list, against #44,919 for "mamba". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "mamba" and "MDMA".

  • Full dictionary entry for "mamba" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "MDMA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #20,060 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mamba" and "MDMA" also get mixed up with nearby pairs, the highest-scored neighbour is "mab vs mamba". 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 #20,060 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list