locusvslosTell them apart

Which to use

“locus” and “los” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#23,026
“locus” frequency rank
#1,728
“los” frequency rank
24754
confusion score

Side-by-Side Comparison

Feature locus los
Definition A place or locality, especially a centre of activity or the scene of a crime. A medium-sized wildcat, most of them part of the genus Lynx.

Where the eye mixes locus and los

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
locus
3 ch
los

Look-alike desk: locus vs los

A purely visual mix-up. locus (/ˈləʊkəs/) and los (/lɒs/) 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 24754, derived from the frequency rank of both members and their visual similarity.

locus is recorded at frequency rank #23,026, classified as anoun, pronounced /ˈləʊkəs/. 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 24754, this pair ranks #399,567 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of locus vs los

Shared letters: los. Private to "locus": cu. Private to "los": -.

"locus" · 5 letters · shape CVCVC  ·  "los" · 3 letters · shape CVC

Known mistypes of this pair

  • locuslcous · llocus · loccus · locsu · locuss · loucs · olcus

Frequently Asked Questions

Is swapping "locus" for "los" ever safe?
No. They are said differently (/ˈləʊkəs/ versus /lɒs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "locus" vs "los" - which ranks higher?
"los" is the more common of the two: it sits at frequency rank #1,728 in our English list, against #23,026 for "locus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "locus" 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 #399,567 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "locus" and "los" also get mixed up with nearby pairs, the highest-scored neighbour is "lockup vs locus". 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 #399,567 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