lastvslosConfusable pair

Quick tell: last is a adjective, los is a noun, so they fill different roles in a sentence.

Which to use

“last” is an adjective and “los” is a noun - they look or sound alike but fill different roles in a sentence.

#141
“last” frequency rank
#1,728
“los” frequency rank
1869
confusion score

Side-by-Side Comparison

Feature last los
Definition Final, ultimate, coming after all others of its kind. A medium-sized wildcat, most of them part of the genus Lynx.

Where the eye mixes last and los

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
last
3 ch
los

Why the eye confuses last with los

These two trip readers on the page rather than in the ear: last is /lɑːst/ while los is /lɒs/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 1869, derived from the frequency rank of both members and their visual similarity.

last is recorded at frequency rank #141, classified as anadj, pronounced /lɑːst/. los is at rank #1,728, tagged as anoun, pronounced /lɒs/.

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 1869, this pair ranks #526,433 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of last vs los

Shared letters: ls. Private to "last": at. Private to "los": o.

"last" · 4 letters · shape CVCC  ·  "los" · 3 letters · shape CVC

Known mistypes of this pair

  • lastalst · lasst · lastt · lats · llast

Frequently Asked Questions

Can "last" and "los" be used interchangeably?
No - they are not even the same part of speech. "last" is an adjective and "los" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "last" or "los" show up more?
"last" is the more common of the two: it sits at frequency rank #141 in our English list, against #1,728 for "los". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "last" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "los" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #526,433 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "last" and "los" also get mixed up with nearby pairs, the highest-scored neighbour is "los vs LSC". 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 #526,433 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list