Which to use
“tau” and “til” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #32,397
- “tau” frequency rank
- #44,136
- “til” frequency rank
- 76533
- confusion score
Side-by-Side Comparison
| Feature | tau | til |
|---|---|---|
| Definition | nome da décima nona letra do alfabeto grego (Τ/τ) | sinal diacrítico (~) utilizado para modificar a pronúncia de determinadas letras no português (indicando nasalização) e em alguns outros idiomas ( bretão ...) |
Where the spellings diverge
Shared letters are muted; the letters that actually set tau and til apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
A purely visual mix-up. tau (/taw/) and til (/ˈʧiw/) 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 76533, derived from the frequency rank of both members and their visual similarity.
tau is recorded at frequency rank #32,397, classified as anoun, pronounced /taw/. til is at rank #44,136, tagged as anoun, pronounced /ˈʧiw/.
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 76533, this pair ranks #2,074 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of tau vs til
Shared letters: t. Private to "tau": au. Private to "til": il.
"tau" · 3 letters · shape CVV · "til" · 3 letters · shape CVC
Frequency comparison
Frequently Asked Questions
Can "tau" and "til" be used interchangeably?
Which is more common, "tau" or "til"?
Remembering tau vs til
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “tau” entry
- Browse more pairs most likely to be confused. Most confusable