Which to use
“grass” is a noun and “gratis” is an adjective - they look or sound alike but fill different roles in a sentence.
- #3,758
- “grass” frequency rank
- #31,194
- “gratis” frequency rank
- 34952
- confusion score
Side-by-Side Comparison
| Feature | grass | gratis |
|---|---|---|
| Definition | Any plant of the family Poaceae, characterized by leaves that arise from nodes in the stem and leaf bases that wrap around the stem, especially those grown as ground cover rather than for grain. | Free: without charge. |
Where the eye mixes grass and gratis
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses grass with gratis
These two trip readers on the page rather than in the ear: grass is /ɡɹɑːs/ while gratis is /ˈɡɹɑː.tɪs/. 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 34952, derived from the frequency rank of both members and their visual similarity.
grass is recorded at frequency rank #3,758, classified as anoun, pronounced /ɡɹɑːs/. gratis is at rank #31,194, tagged as anadj, pronounced /ˈɡɹɑː.tɪs/.
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 34952, this pair ranks #316,228 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of grass vs gratis
Shared letters: agrs. Private to "grass": -. Private to "gratis": it.
"grass" · 5 letters · shape CCVCC · "gratis" · 6 letters · shape CCVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "grass" and "gratis" mean the same thing in a sentence?
Which is more common, "grass" or "gratis"?
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 "grass" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "gratis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #316,228 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "grass" and "gratis" also get mixed up with nearby pairs, the highest-scored neighbour is "gratis vs grayish". 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 #316,228 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.