Which to use
“lastra” and “lastre” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #37,186
- “lastra” frequency rank
- #21,381
- “lastre” frequency rank
- 58567
- confusion score
Side-by-Side Comparison
| Feature | lastra | lastre |
|---|---|---|
| Definition | Piedra plana que sale de la cantera en hojas planas y de poco grueso, a manera de tablas. | Piedra de mala calidad y en lajas resquebrajadas, ancha y de poco grueso, que está en la superficie de la cantera, la cual no sirve para labrarse, y sólo sirve para las obras de mampostería. |
Where the eye mixes lastra and lastre
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses lastra with lastre
A purely visual mix-up. lastra ([ˈlast̪ɾa]) and lastre ([ˈlast̪ɾe]) 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 - a in “lastra” becomes e in “lastre”. Our composite confusion score for this pair is 58567, derived from the frequency rank of both members and their visual similarity.
lastra is recorded at frequency rank #37,186, classified as anoun, pronounced [ˈlast̪ɾa]. lastre is at rank #21,381, tagged as anoun, pronounced [ˈlast̪ɾe].
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 58567, this pair ranks #65,994 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of lastra vs lastre
Shared letters: alrst. Private to "lastra": -. Private to "lastre": e.
"lastra" · 6 letters · shape CVCCCV · "lastre" · 6 letters · shape CVCCCV
Known mistypes of this pair
Frequently Asked Questions
Do "lastra" and "lastre" mean the same thing in a sentence?
In ordinary Spanish text, does "lastra" or "lastre" show up more?
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 "lastra" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lastre" - compare definitions side by side with the headword page. Word entry
- This pair ranks #65,994 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "lastra" and "lastre" also get mixed up with nearby pairs, the highest-scored neighbour is "labora vs lastra". 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 #65,994 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.