tailvstauWhat's the difference?

Which to use

“tail” and “tau” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#34,941
“tail” frequency rank
#32,397
“tau” frequency rank
67338
confusion score

Side-by-Side Comparison

Feature tail tau
Definition rabo, cauda nome da décima nona letra do alfabeto grego (Τ/τ)

Where the spellings diverge

Shared letters are muted; the letters that actually set tail and tau apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch
tail
3 ch
tau

Spelling & Dictionary Insight

A purely visual mix-up. tail (/teɪl/) and tau (/taw/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 67338, derived from the frequency rank of both members and their visual similarity.

tail is recorded at frequency rank #34,941, classified as anoun, pronounced /teɪl/. 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 67338, this pair ranks #4,658 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of tail vs tau

Shared letters: at. Private to "tail": il. Private to "tau": u.

"tail" · 4 letters · shape CVVC  ·  "tau" · 3 letters · shape CVV

Known mistypes of this pair

  • tailatil · taill · tali · tial · ttail

Frequency comparison

tail#34,941
tau#32,397

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "tail" and "tau" be used interchangeably?
No. They are said differently (/teɪl/ versus /taw/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tail" or "tau"?
"tau" is the more common of the two: it sits at frequency rank #32,397 in our Portuguese list, against #34,941 for "tail". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering tail vs tau

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 “tail” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list