shivsskyTell them apart

Quick tell: shi is a adverb, sky is a noun, so they fill different roles in a sentence.

Which to use

“shi” is an adverb and “sky” is a noun - they look or sound alike but fill different roles in a sentence.

#25,143
“shi” frequency rank
#7,084
“sky” frequency rank
32227
confusion score

Side-by-Side Comparison

Feature shi sky
Definition exatamente; precisamente céu

Where the eye mixes shi and sky

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
shi
3 ch
sky

Visual trap between shi and sky

These two trip readers on the page rather than in the ear: shi is /ˈʃiː/ while sky is /skaɪ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 32227, derived from the frequency rank of both members and their visual similarity.

shi is recorded at frequency rank #25,143, classified as anadv, pronounced /ˈʃiː/. sky is at rank #7,084, tagged as anoun, pronounced /skaɪ/.

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 32227, this pair ranks #35,639 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of shi vs sky

Shared letters: s. Private to "shi": hi. Private to "sky": ky.

"shi" · 3 letters · shape CCV  ·  "sky" · 3 letters · shape CCV

Frequently Asked Questions

Is swapping "shi" for "sky" ever safe?
No - they are not even the same part of speech. "shi" is an adverb and "sky" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "shi" or "sky"?
"sky" is the more common of the two: it sits at frequency rank #7,084 in our Portuguese list, against #25,143 for "shi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "shi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sky" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #35,639 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "shi" and "sky" also get mixed up with nearby pairs, the highest-scored neighbour is "Sau vs shi". Nearby pair

Confusion rank #35,639 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