fasvsfaulWhat's the difference?

Quick tell: fas is a verb, faul is an adjective, so they fill different roles in a sentence.

Which to use

“fas” is a verb and “faul” is an adjective - they look or sound alike but fill different roles in a sentence.

#38,095
“fas” frequency rank
#5,826
“faul” frequency rank
43921
confusion score

Side-by-Side Comparison

Feature fas faul
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs fasen nicht mehr frisch; verrottet, verfault

Where the spellings diverge

Shared letters are muted; the letters that actually set fas and faul apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch
fas
4 ch
faul

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: fas is [faːs] while faul is [faʊ̯l]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 43921, derived from the frequency rank of both members and their visual similarity.

fas is recorded at frequency rank #38,095, classified as averb, pronounced [faːs]. faul is at rank #5,826, tagged as anadj, pronounced [faʊ̯l].

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 43921, this pair ranks #1,402,757 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fas vs faul

Shared letters: af. Private to "fas": s. Private to "faul": lu.

"fas" · 3 letters · shape CVC  ·  "faul" · 4 letters · shape CVVC

Known mistypes of this pair

  • faulaful · falu · faull · ffaul · fual

Frequency comparison

fas#38,095
faul#5,826

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "fas" and "faul" be used interchangeably?
No - they are not even the same part of speech. "fas" is a verb and "faul" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fas" or "faul"?
"faul" is the more common of the two: it sits at frequency rank #5,826 in our German list, against #38,095 for "fas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering fas vs faul

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “fas”; for an adjective, it's “faul”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “fas” 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 FrequencyWords open word-frequency list