Which to use
“fast” is an adjective and “Faust” is a name - they look or sound alike but fill different roles in a sentence.
- #767
- “fast” frequency rank
- #26,419
- “Faust” frequency rank
- 27186
- confusion score
Side-by-Side Comparison
| Feature | fast | Faust |
|---|---|---|
| Definition | Firmly or securely fixed in place; stable. | A magician and alchemist of German lore who sold his soul to the Devil for knowledge and power. |
Letter map: fast vs Faust
Shared letters muted; letters that set fast and Faust apart highlighted. Shared run: 4.
Part-of-speech tell for fast / Faust
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fast is anadjective and Faustaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 27186, derived from the frequency rank of both members and their visual similarity.
fast is recorded at frequency rank #767, classified as anadj, pronounced /fɑːst/. Faust is at rank #26,419, 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 27186, this pair ranks #380,900 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fast vs Faust
Shared letters: afst. Private to "fast": -. Private to "Faust": u.
"fast" · 4 letters · shape CVCC · "Faust" · 5 letters · shape CVVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "fast" for "Faust" ever safe?
Frequency check: "fast" vs "Faust" - which ranks higher?
What to do next
Pair "fast" vs "Faust" is on the table, pick a follow-up below.
- Full dictionary entry for "fast" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Faust" - compare definitions side by side with the headword page. Word entry
- This pair ranks #380,900 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "fast" and "Faust" also get mixed up with nearby pairs, the highest-scored neighbour is "Fars vs Faust". 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 #380,900 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.