Which to use
“glacis” and “Glas” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #40,786
- “glacis” frequency rank
- #28,969
- “Glas” frequency rank
- 69755
- confusion score
Side-by-Side Comparison
| Feature | glacis | Glas |
|---|---|---|
| Definition | Talus, pente douce et unie. | Verre, la matière (sans ou avec pluriel, cf. note et exemples). |
Where the eye mixes glacis and Glas
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. glacis runs 6 letters (CCVCVC) against Glas's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between glacis and Glas
A purely visual mix-up. glacis (\ɡla.si\) and Glas (\ˈɡlaːs\) 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 2 letter(s) in length. Our composite confusion score for this pair is 69755, derived from the frequency rank of both members and their visual similarity.
glacis is recorded at frequency rank #40,786, classified as anoun, pronounced \ɡla.si\. Glas is at rank #28,969, tagged as anoun, pronounced \ˈɡlaːs\.
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 69755, this pair ranks #53,944 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of glacis vs Glas
Shared letters: agls. Private to "glacis": ci. Private to "Glas": -.
"glacis" · 6 letters · shape CCVCVC · "Glas" · 4 letters · shape CCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "glacis" for "Glas" ever safe?
Which is more common, "glacis" or "Glas"?
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 "glacis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Glas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #53,944 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "glacis" and "Glas" also get mixed up with nearby pairs, the highest-scored neighbour is "glacis vs gracie". 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 #53,944 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.