madvsMadsWhich spelling fits?

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

Which to use

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

#13,833
“mad” frequency rank
#47,437
“Mads” frequency rank
61270
confusion score

Side-by-Side Comparison

Feature mad Mads
Definition Fou. Prénom masculin.

Letter map: mad vs Mads

Shared letters muted; letters that set mad and Mads apart highlighted. Shared run: 3.

3 ch
mad
4 ch
Mads

Part-of-speech tell for mad / Mads

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mad is anadjective and Madsaname. On the page they differ by 1 extra letter(s) - “mad” sits inside “Mads”. Our composite confusion score for this pair is 61270, 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\. Mads is at rank #47,437, 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 61270, this pair ranks #93,159 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of mad vs Mads

Shared letters: adm. Private to "mad": -. Private to "Mads": s.

"mad" · 3 letters · shape CVC  ·  "Mads" · 4 letters · shape CVCC

Known mistypes of this pair

  • Madsamds · madds · madss · masd · mdas · mmads

Frequently Asked Questions

Do "mad" and "Mads" mean the same thing in a sentence?
No - they are not even the same part of speech. "mad" is an adjective and "Mads" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "mad" or "Mads" show up more?
"mad" is the more common of the two: it sits at frequency rank #13,833 in our French list, against #47,437 for "Mads". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "mad" vs "Mads" 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 "Mads" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #93,159 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "mad" and "Mads" also get mixed up with nearby pairs, the highest-scored neighbour is "Mads vs mud". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #93,159 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