Which to use
“loch” and “locum” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #16,064
- “loch” frequency rank
- #47,732
- “locum” frequency rank
- 63796
- confusion score
Side-by-Side Comparison
| Feature | loch | locum |
|---|---|---|
| Definition | A lake. | Ellipsis of locum tenens. |
Where the eye mixes loch and locum
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. loch runs 4 letters (CVCC) against locum's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses loch with locum
A purely visual mix-up. loch (/lɔx/) and locum (/ˈləʊkəm/) 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 1 letter(s) in length. Our composite confusion score for this pair is 63796, derived from the frequency rank of both members and their visual similarity.
loch is recorded at frequency rank #16,064, classified as anoun, pronounced /lɔx/. locum is at rank #47,732, tagged as anoun, pronounced /ˈləʊkəm/.
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 63796, this pair ranks #81,023 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of loch vs locum
Shared letters: clo. Private to "loch": h. Private to "locum": mu.
"loch" · 4 letters · shape CVCC · "locum" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "loch" and "locum" mean the same thing in a sentence?
Frequency check: "loch" vs "locum" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "loch" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "locum" - compare definitions side by side with the headword page. Word entry
- This pair ranks #81,023 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "loch" and "locum" also get mixed up with nearby pairs, the highest-scored neighbour is "lockup vs locum". 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 #81,023 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.