tacvsTÜVTell them apart

Which to use

“tac” and “TÜV” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#40,239
“tac” frequency rank
#9,994
“TÜV” frequency rank
50233
confusion score

Side-by-Side Comparison

Feature tac TÜV
Definition der Dübel (Fischerdübel nach dem Erfinder Artur Fischer), der Zapfen Technischer Überwachungs-Verein, der Einrichtungen betreibt, bei denen unter anderem die vorgeschriebenen regelmäßigen Begutachtungen der Kraftfahrzeuge vorgenommen werden

Where the eye mixes tac and TÜV

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
tac
3 ch
TÜV

Visual trap between tac and TÜV

A purely visual mix-up. tac ([tak]) and TÜV ([tʏf]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 50233, derived from the frequency rank of both members and their visual similarity.

tac is recorded at frequency rank #40,239, classified as anoun, pronounced [tak]. TÜV is at rank #9,994, tagged as anoun, pronounced [tʏf].

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 50233, this pair ranks #1,181,482 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tac vs TÜV

Shared letters: t. Private to "tac": ac. Private to "TÜV": .

"tac" · 3 letters · shape CVC  ·  "TÜV" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "tac" for "TÜV" ever safe?
No. They are said differently ([tak] versus [tʏf]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "tac" or "TÜV" show up more?
"TÜV" is the more common of the two: it sits at frequency rank #9,994 in our German list, against #40,239 for "tac". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "tac" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "TÜV" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,181,482 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "tac" and "TÜV" also get mixed up with nearby pairs, the highest-scored neighbour is "tac vs taut". Nearby pair

Confusion rank #1,181,482 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