singvssonoWhich spelling fits?

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

Which to use

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

#20,435
“sing” frequency rank
#2,910
“sono” frequency rank
23345
confusion score

Side-by-Side Comparison

Feature sing sono
Definition cantar necessidade, vontade de dormir

Letter map: sing vs sono

Shared letters muted; letters that set sing and sono apart highlighted. Shared run: 2.

4 ch
sing
4 ch
sono

Role in the sentence - sing and sono

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sing is averb and sonoanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 23345, derived from the frequency rank of both members and their visual similarity.

sing is recorded at frequency rank #20,435, classified as averb. sono is at rank #2,910, tagged as anoun, pronounced /ˈso.nu/.

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 23345, this pair ranks #46,491 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sing vs sono

Shared letters: ns. Private to "sing": gi. Private to "sono": o.

"sing" · 4 letters · shape CVCC  ·  "sono" · 4 letters · shape CVCV

Known mistypes of this pair

  • singisng · sign · singg · sinng · snig · ssing
  • sonoosno · snoo · sonno · soon · ssono

Frequently Asked Questions

Is swapping "sing" for "sono" ever safe?
No - they are not even the same part of speech. "sing" is a verb and "sono" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "sing" or "sono"?
"sono" is the more common of the two: it sits at frequency rank #2,910 in our Portuguese list, against #20,435 for "sing". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "sing" vs "sono" is on the table, pick a follow-up below.

  • Full dictionary entry for "sing" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sono" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #46,491 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sing" and "sono" also get mixed up with nearby pairs, the highest-scored neighbour is "sing 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 #46,491 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