gasvsGusWhich spelling fits?

Quick tell: gas is a noun, Gus is a name, so they fill different roles in a sentence.

Which to use

“gas” is a noun and “Gus” is a name - they look or sound alike but fill different roles in a sentence.

#1,636
“gas” frequency rank
#22,385
“Gus” frequency rank
24021
confusion score

Side-by-Side Comparison

Feature gas Gus
Definition Sustancia con movilidad molecular perfecta y la propiedad de expansión ilimitada, en oposición a los sólidos y líquidos. Hipocorístico de Gustavo, Augusto o Agustín.

Where the eye mixes gas and Gus

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

3 ch
gas
3 ch
Gus

Why the eye confuses gas with Gus

These two trip readers on the page rather than in the ear: gas is [ˈgas] while Gus is [ˈgus]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “gas” becomes u in “Gus”, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 24021, derived from the frequency rank of both members and their visual similarity.

gas is recorded at frequency rank #1,636, classified as anoun, pronounced [ˈgas]. Gus is at rank #22,385, tagged as aname, pronounced [ˈgus].

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 24021, this pair ranks #243,066 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of gas vs Gus

Shared letters: gs. Private to "gas": a. Private to "Gus": u.

"gas" · 3 letters · shape CVC  ·  "Gus" · 3 letters · shape CVC

Frequently Asked Questions

Do "gas" and "Gus" mean the same thing in a sentence?
No - they are not even the same part of speech. "gas" is a noun and "Gus" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "gas" or "Gus"?
"gas" is the more common of the two: it sits at frequency rank #1,636 in our Spanish list, against #22,385 for "Gus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "gas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Gus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #243,066 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "gas" and "Gus" also get mixed up with nearby pairs, the highest-scored neighbour is "guan vs Gus". Nearby pair

Confusion rank #243,066 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list