MatthiasvsMattisWhat's the difference?

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

Which to use

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

#3,056
“Matthias” frequency rank
#46,831
“Mattis” frequency rank
49887
confusion score

Side-by-Side Comparison

Feature Matthias Mattis
Definition männlicher Vorname Genitiv Singular des Substantivs Matti

Where the eye mixes Matthias and Mattis

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. Matthias runs 8 letters (CVCCCVVC) against Mattis's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
Matthias
6 ch
Mattis

Look-alike desk: Matthias vs Mattis

These two trip readers on the page rather than in the ear: Matthias is [maˈtiːas] while Mattis is [ˈmatis]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49887, derived from the frequency rank of both members and their visual similarity.

Matthias is recorded at frequency rank #3,056, classified as aname, pronounced [maˈtiːas]. Mattis is at rank #46,831, tagged as anoun, pronounced [ˈmatis].

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 49887, this pair ranks #1,194,626 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Matthias vs Mattis

Shared letters: aimst. Private to "Matthias": h. Private to "Mattis": -.

"Matthias" · 8 letters · shape CVCCCVVC  ·  "Mattis" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Matthias ← amtthias · mathtias · matthais · matthhias · matthiass · matthisa · mattihas · mmatthias
  • Mattis ← amttis · matis · matits · mattiss · mattsi · mmattis · mtatis

Frequently Asked Questions

Can "Matthias" and "Mattis" be used interchangeably?
No - they are not even the same part of speech. "Matthias" is a name and "Mattis" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Matthias" or "Mattis" show up more?
"Matthias" is the more common of the two: it sits at frequency rank #3,056 in our German list, against #46,831 for "Mattis". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "Matthias" and "Mattis" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Matthias" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Mattis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,194,626 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Matthias" and "Mattis" also get mixed up with nearby pairs, the highest-scored neighbour is "marti vs Mattis". 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 #1,194,626 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list