Which to use
“glass” and “grass” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #23,431
- “glass” frequency rank
- #33,633
- “grass” frequency rank
- 57064
- confusion score
Side-by-Side Comparison
| Feature | glass | grass |
|---|---|---|
| Definition | Vidrio, cristal. | Hierba |
Where the eye mixes glass and grass
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses glass with grass
A purely visual mix-up. glass (/ɡlɑːs/) and grass (/ɡɹɑːs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - l in “glass” becomes r in “grass”. Our composite confusion score for this pair is 57064, derived from the frequency rank of both members and their visual similarity.
glass is recorded at frequency rank #23,431, classified as anoun, pronounced /ɡlɑːs/. grass is at rank #33,633, tagged as anoun, pronounced /ɡɹɑːs/.
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 57064, this pair ranks #72,016 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of glass vs grass
Shared letters: ags. Private to "glass": l. Private to "grass": r.
"glass" · 5 letters · shape CCVCC · "grass" · 5 letters · shape CCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "glass" for "grass" ever safe?
Which is more common, "glass" or "grass"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "glass" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "grass" - compare definitions side by side with the headword page. Word entry
- This pair ranks #72,016 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "glass" and "grass" also get mixed up with nearby pairs, the highest-scored neighbour is "grass vs gros". 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 #72,016 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.