M1vsmiWhat's the difference?

Which to use

“M1” and “mi” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#20,489
“M1” frequency rank
#1,445
“mi” frequency rank
21934
confusion score

Side-by-Side Comparison

Feature M1 mi
Definition Messier 1, la nébuleuse du Crabe. Note de musique, troisième son de la gamme naturelle.

Where the eye mixes M1 and mi

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

2 ch
M1
2 ch
mi

Look-alike desk: M1 vs mi

A purely visual mix-up. M1 (\ɛm‿œ̃\) and mi (\mi\) 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 a single letter - 1 in “M1” becomes i in “mi”. Our composite confusion score for this pair is 21934, derived from the frequency rank of both members and their visual similarity.

M1 is recorded at frequency rank #20,489, classified as anoun, pronounced \ɛm‿œ̃\. mi is at rank #1,445, tagged as anoun, pronounced \mi\.

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 21934, this pair ranks #360,663 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of M1 vs mi

Shared letters: m. Private to "M1": -. Private to "mi": i.

"M1" · 1 letters · shape C  ·  "mi" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "M1" for "mi" ever safe?
No. They are said differently (\ɛm‿œ̃\ versus \mi\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "M1" or "mi" show up more?
"mi" is the more common of the two: it sits at frequency rank #1,445 in our French list, against #20,489 for "M1". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "M1" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #360,663 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "M1" and "mi" also get mixed up with nearby pairs, the highest-scored neighbour is "M1 vs MWh". Nearby pair

Confusion rank #360,663 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list