sidovssireConfusable pair

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

Which to use

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

#218
“sido” frequency rank
#48,121
“sire” frequency rank
48339
confusion score

Side-by-Side Comparison

Feature sido sire
Definition masculino singular do particípio passado do verbo ser: senhor (como forma de tratamento a alguém superior)

Letter map: sido vs sire

Shared letters muted; letters that set sido and sire apart highlighted. Shared run: 2. sido and sire follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
sido
4 ch
sire

Role in the sentence - sido and sire

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sido is averb and sireanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 48339, derived from the frequency rank of both members and their visual similarity.

sido is recorded at frequency rank #218, classified as averb, pronounced /ˈsi.dʊ/. sire is at rank #48,121, tagged as anoun.

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 48339, this pair ranks #16,836 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of sido vs sire

Shared letters: is. Private to "sido": do. Private to "sire": er.

"sido" · 4 letters · shape CVCV  ·  "sire" · 4 letters · shape CVCV

Known mistypes of this pair

  • sido ← isdo · sdio · siddo · siod · ssido
  • sire ← isre · sier · sirre · srie · ssire

Frequently Asked Questions

Can "sido" and "sire" be used interchangeably?
No - they are not even the same part of speech. "sido" is a verb and "sire" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "sido" vs "sire" - which ranks higher?
"sido" is the more common of the two: it sits at frequency rank #218 in our Portuguese list, against #48,121 for "sire". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "sido" and "sire".

  • Full dictionary entry for "sido" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sire" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #16,836 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sido" and "sire" also get mixed up with nearby pairs, the highest-scored neighbour is "shire vs sire". 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 #16,836 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