MDMAvsmemWhich spelling fits?

Which to use

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

#35,404
“MDMA” frequency rank
#32,499
“mem” frequency rank
67903
confusion score

Side-by-Side Comparison

Feature MDMA mem
Definition 3,4-methylenedioxymethamphetamine, a synthetic entactogen of the methylenedioxyphenethylamine family. The thirteenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others).

Letter map: MDMA vs mem

Shared letters muted; letters that set MDMA and mem apart highlighted. Shared run: 2.

4 ch
MDMA
3 ch
mem

Pair insight - MDMA / mem

MDMA and mem 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 67903, derived from the frequency rank of both members and their visual similarity.

MDMA is recorded at frequency rank #35,404, classified as anoun. mem is at rank #32,499, tagged as anoun, pronounced /mɛm/.

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 67903, this pair ranks #61,290 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of MDMA vs mem

Shared letters: m. Private to "MDMA": ad. Private to "mem": e.

"MDMA" · 4 letters · shape CCCV  ·  "mem" · 3 letters · shape CVC

Known mistypes of this pair

  • MDMAdmma · mdam · mddma · mdmma · mmda · mmdma

Frequently Asked Questions

Is swapping "MDMA" for "mem" ever safe?
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.
In ordinary English text, does "MDMA" or "mem" show up more?
"mem" is the more common of the two: it sits at frequency rank #32,499 in our English list, against #35,404 for "MDMA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "MDMA" and "mem". Here's where to go from here.

  • Full dictionary entry for "MDMA" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mem" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,290 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "MDMA" and "mem" also get mixed up with nearby pairs, the highest-scored neighbour is "MDMA vs MPAA". 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 #61,290 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