memvsMxWhat's the difference?

Which to use

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

#32,499
“mem” frequency rank
#18,635
“Mx” frequency rank
51134
confusion score

Side-by-Side Comparison

Feature mem Mx
Definition The thirteenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others). A gender-neutral title used instead of Mr (Mister), Mrs (Mistress), etc.

Where the eye mixes mem and Mx

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
mem
2 ch
Mx

Why the eye confuses mem with Mx

A purely visual mix-up. mem (/mɛm/) and Mx (/mɪks/) 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 1 letter(s) in length. Our composite confusion score for this pair is 51134, derived from the frequency rank of both members and their visual similarity.

mem is recorded at frequency rank #32,499, classified as anoun, pronounced /mɛm/. Mx is at rank #18,635, tagged as anoun, pronounced /mɪks/.

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 51134, this pair ranks #168,077 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mem vs Mx

Shared letters: m. Private to "mem": e. Private to "Mx": x.

"mem" · 3 letters · shape CVC  ·  "Mx" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "mem" for "Mx" ever safe?
No. They are said differently (/mɛm/ versus /mɪks/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "mem" or "Mx" show up more?
"Mx" is the more common of the two: it sits at frequency rank #18,635 in our English list, against #32,499 for "mem". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "mem" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Mx" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #168,077 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mem" and "Mx" also get mixed up with nearby pairs, the highest-scored neighbour is "mem vs MMP". Nearby pair

Confusion rank #168,077 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