madvsMgWhat's the difference?

Quick tell: mad is a adjective, Mg is a symbol, so they fill different roles in a sentence.

Which to use

“mad” is an adjective and “Mg” is a symbol - they look or sound alike but fill different roles in a sentence.

#13,833
“mad” frequency rank
#10,743
“Mg” frequency rank
24576
confusion score

Side-by-Side Comparison

Feature mad Mg
Definition Fou. Symbole chimique du magnésium.

Letter map: mad vs Mg

Shared letters muted; letters that set mad and Mg apart highlighted. Shared run: 1.

3 ch
mad
2 ch
Mg

Grammar separator: mad vs Mg

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mad is anadjective and Mgasymbol. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 24576, derived from the frequency rank of both members and their visual similarity.

mad is recorded at frequency rank #13,833, classified as anadj, pronounced \mæd\. Mg is at rank #10,743, tagged as asymbol.

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 24576, this pair ranks #345,832 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mad vs Mg

Shared letters: m. Private to "mad": ad. Private to "Mg": g.

"mad" · 3 letters · shape CVC  ·  "Mg" · 2 letters · shape CC

Frequently Asked Questions

Can "mad" and "Mg" be used interchangeably?
No - they are not even the same part of speech. "mad" is an adjective and "Mg" a symbol, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "mad" vs "Mg" - which ranks higher?
"Mg" is the more common of the two: it sits at frequency rank #10,743 in our French list, against #13,833 for "mad". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "mad" vs "Mg" is on the table, pick a follow-up below.

  • Full dictionary entry for "mad" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Mg" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #345,832 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "mad" and "Mg" also get mixed up with nearby pairs, the highest-scored neighbour is "mad vs MWh". Nearby pair

Confusion rank #345,832 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