JackvsjadeWhich spelling fits?

Which to use

“Jack” and “jade” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#2,685
“Jack” frequency rank
#10,913
“jade” frequency rank
13598
confusion score

Side-by-Side Comparison

Feature Jack jade
Definition prenome próprio, que é uma forma diminutiva de John (João). pedra ornamental muito dura e compacta, variando na cor, de esbranquiçada a verde-escura, é formada pela associação da jadeíta e da nefrita; muito utilizada na fabricação de estatuetas e peças de adorno pessoal

Where the eye mixes Jack and jade

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Jack
4 ch
jade

Visual trap between Jack and jade

A purely visual mix-up. Jack (/dʒæk/.) and jade (/ˈʒa.dɨ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 13598, derived from the frequency rank of both members and their visual similarity.

Jack is recorded at frequency rank #2,685, classified as anoun, pronounced /dʒæk/.. jade is at rank #10,913, tagged as anoun, pronounced /ˈʒa.dɨ/.

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 13598, this pair ranks #58,691 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Jack vs jade

Shared letters: aj. Private to "Jack": ck. Private to "jade": de.

"Jack" · 4 letters · shape CVCC  ·  "jade" · 4 letters · shape CVCV

Known mistypes of this pair

  • Jackajck · jacck · jackk · jakc · jcak · jjack
  • jadeajde · jadde · jaed · jdae · jjade

Frequently Asked Questions

Is swapping "Jack" for "jade" ever safe?
No. They are said differently (/dʒæk/. versus /ˈʒa.dɨ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "Jack" vs "jade" - which ranks higher?
"Jack" is the more common of the two: it sits at frequency rank #2,685 in our Portuguese list, against #10,913 for "jade". 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 "Jack" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "jade" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #58,691 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Jack" and "jade" also get mixed up with nearby pairs, the highest-scored neighbour is "jade vs jed". 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 #58,691 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