gásvsgrisWhat's the difference?

Quick tell: gás is a noun, gris is an adjective, so they fill different roles in a sentence.

Which to use

“gás” is a noun and “gris” is an adjective - they look or sound alike but fill different roles in a sentence.

#1,748
“gás” frequency rank
#42,486
“gris” frequency rank
44234
confusion score

Side-by-Side Comparison

Feature gás gris
Definition estado fluido da matéria, sem forma definida, cujo volume é o do recipiente que o contém cinza, cinzento

Where the eye mixes gás and gris

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. gás runs 3 letters (CVC) against gris's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
gás
4 ch
gris

Look-alike desk: gás vs gris

These two trip readers on the page rather than in the ear: gás is /ˈɡaʃ/ while gris is /gris/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 44234, derived from the frequency rank of both members and their visual similarity.

gás is recorded at frequency rank #1,748, classified as anoun, pronounced /ˈɡaʃ/. gris is at rank #42,486, tagged as anadj, pronounced /gris/.

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 44234, this pair ranks #21,272 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of gás vs gris

Shared letters: gs. Private to "gás": á. Private to "gris": ir.

"gás" · 3 letters · shape CVC  ·  "gris" · 4 letters · shape CCVC

Known mistypes of this pair

  • gris ← ggris · girs · griss · grris · grsi · rgis

Frequently Asked Questions

Do "gás" and "gris" mean the same thing in a sentence?
No - they are not even the same part of speech. "gás" is a noun and "gris" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "gás" vs "gris" - which ranks higher?
"gás" is the more common of the two: it sits at frequency rank #1,748 in our Portuguese list, against #42,486 for "gris". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "gás" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "gris" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #21,272 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "gás" and "gris" also get mixed up with nearby pairs, the highest-scored neighbour is "grip vs gris". 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 #21,272 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