MastvsMfSWhich spelling fits?

Quick tell: Mast is a noun, MfS is an abbrev, so they fill different roles in a sentence.

Which to use

“Mast” is a noun and “MfS” is an abbrev - they look or sound alike but fill different roles in a sentence.

#16,779
“Mast” frequency rank
#26,968
“MfS” frequency rank
43747
confusion score

Side-by-Side Comparison

Feature Mast MfS
Definition senkrecht stehender pfeilerähnlicher Träger (allgemein) Ministerium für Staatssicherheit

Letter map: Mast vs MfS

Shared letters muted; letters that set Mast and MfS apart highlighted. Shared run: 2.

4 ch
Mast
3 ch
MfS

Grammar separator: Mast vs MfS

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Mast is anoun and MfSanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 43747, derived from the frequency rank of both members and their visual similarity.

Mast is recorded at frequency rank #16,779, classified as anoun, pronounced [mast]. MfS is at rank #26,968, tagged as anabbrev, pronounced […].

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 43747, this pair ranks #1,408,231 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Mast vs MfS

Shared letters: ms. Private to "Mast": at. Private to "MfS": f.

"Mast" · 4 letters · shape CVCC  ·  "MfS" · 3 letters · shape CCC

Known mistypes of this pair

  • Mastmasst · mastt · mmast · msat

Frequently Asked Questions

Can "Mast" and "MfS" be used interchangeably?
No - they are not even the same part of speech. "Mast" is a noun and "MfS" an abbrev, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Mast" or "MfS" show up more?
"Mast" is the more common of the two: it sits at frequency rank #16,779 in our German list, against #26,968 for "MfS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "Mast" vs "MfS" is on the table, pick a follow-up below.

  • Full dictionary entry for "Mast" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "MfS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,408,231 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Mast" and "MfS" also get mixed up with nearby pairs, the highest-scored neighbour is "MfS vs puzzles". 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 #1,408,231 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