saisvsseinWhat's the difference?

Quick tell: sais is a noun, sein is a verb, so they fill different roles in a sentence.

Which to use

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

#11,150
“sais” frequency rank
#43,647
“sein” frequency rank
54797
confusion score

Side-by-Side Comparison

Feature sais sein
Definition substâncias voláteis dadas a uma pessoa desmaiada para fazer com que ela acorde ser, estar.

Where the spellings diverge

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

4 ch
sais
4 ch
sein

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sais is anoun and seinaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 54797, derived from the frequency rank of both members and their visual similarity.

sais is recorded at frequency rank #11,150, classified as anoun. sein is at rank #43,647, tagged as averb, pronounced /zaɪ̯n/.

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 54797, this pair ranks #11,035 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of sais vs sein

Shared letters: is. Private to "sais": a. Private to "sein": en.

"sais" · 4 letters · shape CVVC  ·  "sein" · 4 letters · shape CVVC

Known mistypes of this pair

  • saissaiss · sasi · sias · ssais
  • seinesin · seinn · seni · sien · ssein

Frequency comparison

sais#11,150
sein#43,647

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "sais" and "sein" be used interchangeably?
No - they are not even the same part of speech. "sais" is a noun and "sein" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sais" or "sein"?
"sais" is the more common of the two: it sits at frequency rank #11,150 in our Portuguese list, against #43,647 for "sein". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering sais vs sein

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “sais”; for a verb, it's “sein”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “sais” 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