saivssoapWhich spelling fits?

Quick tell: sai is a intj, soap is a noun, so they fill different roles in a sentence.

Which to use

“sai” is an intj and “soap” is a noun - they look or sound alike but fill different roles in a sentence.

#998
“sai” frequency rank
#49,703
“soap” frequency rank
50701
confusion score

Side-by-Side Comparison

Feature sai soap
Definition expressão que comunica que se deseja que se afaste, que deixe em paz sabão

Letter map: sai vs soap

Shared letters muted; letters that set sai and soap apart highlighted. Shared run: 2. sai runs 3 letters (CVV) against soap's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
sai
4 ch
soap

Grammar separator: sai vs soap

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sai is anintj and soapanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 50701, derived from the frequency rank of both members and their visual similarity.

sai is recorded at frequency rank #998, classified as anintj. soap is at rank #49,703, tagged as anoun, pronounced /soʊp/.

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 50701, this pair ranks #14,262 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of sai vs soap

Shared letters: as. Private to "sai": i. Private to "soap": op.

"sai" · 3 letters · shape CVV  ·  "soap" · 4 letters · shape CVVC

Known mistypes of this pair

  • soap ← osap · soapp · ssoap

Frequently Asked Questions

Do "sai" and "soap" mean the same thing in a sentence?
No - they are not even the same part of speech. "sai" is an intj and "soap" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sai" vs "soap" - which ranks higher?
"sai" is the more common of the two: it sits at frequency rank #998 in our Portuguese list, against #49,703 for "soap". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "sai" and "soap".

  • Full dictionary entry for "sai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "soap" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #14,262 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sai" and "soap" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs soap". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #14,262 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