mmvsMSGWhat's the difference?

Quick tell: mm is a symbol, MSG is a noun, so they fill different roles in a sentence.

Which to use

“mm” is a symbol and “MSG” is a noun - they look or sound alike but fill different roles in a sentence.

#1,092
“mm” frequency rank
#49,805
“MSG” frequency rank
50897
confusion score

Side-by-Side Comparison

Feature mm MSG
Definition Symbole du millimètre, unité de mesure de longueur du Système international (SI), valant 0,001 mètre (10⁻³ mètre). Sel de sodium.

Where the spellings diverge

Shared letters are muted; the letters that actually set mm and MSG apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

2 ch
mm
3 ch
MSG

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mm is asymbol and MSGanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 50897, derived from the frequency rank of both members and their visual similarity.

mm is recorded at frequency rank #1,092, classified as asymbol, pronounced \mi.li.mɛtʁ\. MSG is at rank #49,805, 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 50897, this pair ranks #159,095 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of mm vs MSG

Shared letters: m. Private to "mm": -. Private to "MSG": gs.

"mm" · 2 letters · shape CC  ·  "MSG" · 3 letters · shape CCC

Frequency comparison

mm#1,092
MSG#49,805

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "mm" and "MSG" be used interchangeably?
No - they are not even the same part of speech. "mm" is a symbol and "MSG" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mm" or "MSG"?
"mm" is the more common of the two: it sits at frequency rank #1,092 in our French list, against #49,805 for "MSG". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering mm vs MSG

The fastest way to pick the right one every time.

  • Check the role first: if you need a symbol, it's “mm”; for a noun, it's “MSG”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “mm” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list