memvsMMCWhich spelling fits?

Quick tell: mem is a noun, MMC is a name, so they fill different roles in a sentence.

Which to use

“mem” is a noun and “MMC” is a name - they look or sound alike but fill different roles in a sentence.

#32,499
“mem” frequency rank
#47,203
“MMC” frequency rank
79702
confusion score

Side-by-Side Comparison

Feature mem MMC
Definition The thirteenth letter of many Semitic alphabets/abjads (Phoenician, Aramaic, Hebrew, Syriac, Arabic and others). Initialism of Montreal Metropolitan Community.

Letter map: mem vs MMC

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

3 ch
mem
3 ch
MMC

Grammar separator: mem vs MMC

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mem is anoun and MMCaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 79702, 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/. MMC is at rank #47,203, tagged as aname.

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 79702, this pair ranks #21,460 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of mem vs MMC

Shared letters: m. Private to "mem": e. Private to "MMC": c.

"mem" · 3 letters · shape CVC  ·  "MMC" · 3 letters · shape CCC

Frequently Asked Questions

Is swapping "mem" for "MMC" ever safe?
No - they are not even the same part of speech. "mem" is a noun and "MMC" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "mem" vs "MMC" - which ranks higher?
"mem" is the more common of the two: it sits at frequency rank #32,499 in our English list, against #47,203 for "MMC". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "mem" vs "MMC" is on the table, pick a follow-up below.

  • Full dictionary entry for "mem" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "MMC" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #21,460 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mem" and "MMC" also get mixed up with nearby pairs, the highest-scored neighbour is "MMC vs MMP". Nearby pair

Confusion rank #21,460 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