fas vs fi, What's the Difference?

Which to use

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

#38,095
“fas” frequency rank: #8,710
“fi” frequency rank: 46805
confusion score

Side-by-Side Comparison

Feature	fas	fi
Definition	2. Person Singular Imperativ Präsens Aktiv des Verbs fasen	fein

Letter map: fas vs fi

Shared letters muted; letters that set fas and fi apart highlighted. Shared run: 1.

3 ch

fas

2 ch

Part-of-speech tell for fas / fi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fas is averb and fianadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 46805, 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]. fi is at rank #8,710, tagged as anadj, 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 46805, this pair ranks #1,306,374 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fas vs fi

Shared letters: f. Private to "fas": as. Private to "fi": i.

"fas" · 3 letters · shape CVC · "fi" · 2 letters · shape CV

Frequently Asked Questions

Can "fas" and "fi" be used interchangeably?

No - they are not even the same part of speech. "fas" is a verb and "fi" an adjective, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "fas" vs "fi" - which ranks higher?

"fi" is the more common of the two: it sits at frequency rank #8,710 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.

After this comparison

You've compared "fas" and "fi". Here's where to go from here.

Full dictionary entry for "fas" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "fi" - compare definitions side by side with the headword page. Word entry
This pair ranks #1,306,374 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"fas" and "fi" also get mixed up with nearby pairs, the highest-scored neighbour is "fas vs fist". Nearby pair

Confusion rank #1,306,374 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.