Fack vs fuck, What's the Difference?

Which to use

“Fack” is a noun and “fuck” is a verb - they look or sound alike but fill different roles in a sentence.

#47,377
“Fack” frequency rank: #4,038
“fuck” frequency rank: 51415
confusion score

Side-by-Side Comparison

Feature	Fack	fuck
Definition	Fach in einem Schrank, Regal oder Kasten	ficken, vögeln

Letter map: Fack vs fuck

Shared letters muted; letters that set Fack and fuck apart highlighted. Shared run: 3.

4 ch

Fack

4 ch

fuck

Grammar separator: Fack vs fuck

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Fack is anoun and fuckaverb. On the page they differ by a single letter - a in “Fack” becomes u in “fuck”. Our composite confusion score for this pair is 51415, derived from the frequency rank of both members and their visual similarity.

Fack is recorded at frequency rank #47,377, classified as anoun, pronounced […]. fuck is at rank #4,038, tagged as averb, pronounced [fʌk].

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 51415, this pair ranks #1,136,401 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Fack vs fuck

Shared letters: cfk. Private to "Fack": a. Private to "fuck": u.

"Fack" · 4 letters · shape CVCC · "fuck" · 4 letters · shape CVCC

Known mistypes of this pair

Fack ← afck · facck · fackk · fakc · fcak · ffack
fuck ← fcuk · ffuck · fucck · fuckk · fukc · ufck

Frequently Asked Questions

Do "Fack" and "fuck" mean the same thing in a sentence?

No - they are not even the same part of speech. "Fack" is a noun and "fuck" a verb, so a sentence built for one is usually ungrammatical with the other.

In ordinary German text, does "Fack" or "fuck" show up more?

"fuck" is the more common of the two: it sits at frequency rank #4,038 in our German list, against #47,377 for "Fack". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pair "Fack" vs "fuck" is on the table, pick a follow-up below.

Full dictionary entry for "Fack" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "fuck" - compare definitions side by side with the headword page. Word entry
This pair ranks #1,136,401 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"Fack" and "fuck" also get mixed up with nearby pairs, the highest-scored neighbour is "Fack 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 #1,136,401 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.