Which to use
“last” is an adjective and “lastra” is a noun - they look or sound alike but fill different roles in a sentence.
- #15,138
- “last” frequency rank
- #37,186
- “lastra” frequency rank
- 52324
- confusion score
Side-by-Side Comparison
| Feature | last | lastra |
|---|---|---|
| Definition | Último. | Piedra plana que sale de la cantera en hojas planas y de poco grueso, a manera de tablas. |
Where the eye mixes last and lastra
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses last with lastra
These two trip readers on the page rather than in the ear: last is /lɑːst/ while lastra is [ˈlast̪ɾa]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “last” sits inside “lastra”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 52324, derived from the frequency rank of both members and their visual similarity.
last is recorded at frequency rank #15,138, classified as anadj, pronounced /lɑːst/. lastra is at rank #37,186, tagged as anoun, pronounced [ˈlast̪ɾa].
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 52324, this pair ranks #93,260 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of last vs lastra
Shared letters: alst. Private to "last": -. Private to "lastra": r.
"last" · 4 letters · shape CVCC · "lastra" · 6 letters · shape CVCCCV
Known mistypes of this pair
Frequently Asked Questions
Can "last" and "lastra" be used interchangeably?
Which is more common, "last" or "lastra"?
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 "last" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lastra" - compare definitions side by side with the headword page. Word entry
- This pair ranks #93,260 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "last" and "lastra" 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 #93,260 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.