localvslocumTell them apart

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

Which to use

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

#358
“local” frequency rank
#47,732
“locum” frequency rank
48090
confusion score

Side-by-Side Comparison

Feature local locum
Definition From or in a nearby location. Ellipsis of locum tenens.

Where the eye mixes local and locum

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. local and locum follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
local
5 ch
locum

Visual trap between local and locum

These two trip readers on the page rather than in the ear: local is /ˈləʊ.kl̩/ while locum is /ˈləʊkəm/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 48090, derived from the frequency rank of both members and their visual similarity.

local is recorded at frequency rank #358, classified as anadj, pronounced /ˈləʊ.kl̩/. 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 48090, this pair ranks #196,376 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of local vs locum

Shared letters: clo. Private to "local": a. Private to "locum": mu.

"local" · 5 letters · shape CVCVC  ·  "locum" · 5 letters · shape CVCVC

Known mistypes of this pair

  • local ← lcoal · llocal · loacl · locall · loccal · locla · olcal
  • locum ← lcoum · llocum · loccum · locmu · locumm · loucm · olcum

Frequently Asked Questions

Do "local" and "locum" mean the same thing in a sentence?
No - they are not even the same part of speech. "local" is an adjective and "locum" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "local" vs "locum" - which ranks higher?
"local" is the more common of the two: it sits at frequency rank #358 in our English list, against #47,732 for "locum". 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 "local" 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 #196,376 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "local" 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 #196,376 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