takvstauWhich spelling fits?

Quick tell: tak is a particle, tau is a noun, so they fill different roles in a sentence.

Which to use

“tak” is a particle and “tau” is a noun - they look or sound alike but fill different roles in a sentence.

#42,692
“tak” frequency rank
#32,397
“tau” frequency rank
75089
confusion score

Side-by-Side Comparison

Feature tak tau
Definition sim nome da décima nona letra do alfabeto grego (Τ/τ)

Letter map: tak vs tau

Shared letters muted; letters that set tak and tau apart highlighted. Shared run: 2. tak (CVC) and tau (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
tak
3 ch
tau

Role in the sentence - tak and tau

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: tak is aparticle and tauanoun. On the page they differ by a single letter - k in “tak” becomes u in “tau”. Our composite confusion score for this pair is 75089, derived from the frequency rank of both members and their visual similarity.

tak is recorded at frequency rank #42,692, classified as aparticle. tau is at rank #32,397, tagged as anoun, pronounced /taw/.

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 75089, this pair ranks #2,370 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of tak vs tau

Shared letters: at. Private to "tak": k. Private to "tau": u.

"tak" · 3 letters · shape CVC  ·  "tau" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "tak" for "tau" ever safe?
No - they are not even the same part of speech. "tak" is a particle and "tau" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "tak" vs "tau" - which ranks higher?
"tau" is the more common of the two: it sits at frequency rank #32,397 in our Portuguese list, against #42,692 for "tak". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "tak" and "tau". Here's where to go from here.

  • Full dictionary entry for "tak" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tau" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,370 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "tak" and "tau" also get mixed up with nearby pairs, the highest-scored neighbour is "tak vs til". Nearby pair

Confusion rank #2,370 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list