lobevslockWhat's the difference?

Which to use

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

#19,635
“lobe” frequency rank
#2,954
“lock” frequency rank
22589
confusion score

Side-by-Side Comparison

Feature lobe lock
Definition Any projection or division, especially one of a somewhat rounded form. Something used for fastening, which can only be opened with a key or combination.

Where the eye mixes lobe and lock

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. lobe (CVCV) and lock (CVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
lobe
4 ch
lock

Visual trap between lobe and lock

A purely visual mix-up. lobe (/ləʊb/) and lock (/lɒk/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 22589, derived from the frequency rank of both members and their visual similarity.

lobe is recorded at frequency rank #19,635, classified as anoun, pronounced /ləʊb/. lock is at rank #2,954, tagged as anoun, pronounced /lɒk/.

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 22589, this pair ranks #415,466 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lobe vs lock

Shared letters: lo. Private to "lobe": be. Private to "lock": ck.

"lobe" · 4 letters · shape CVCV  ·  "lock" · 4 letters · shape CVCC

Known mistypes of this pair

  • lobelboe · llobe · lobbe · olbe
  • locklcok · llock · locck · lockk · lokc · olck

Frequently Asked Questions

Do "lobe" and "lock" mean the same thing in a sentence?
No. They are said differently (/ləʊb/ versus /lɒk/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "lobe" or "lock" show up more?
"lock" is the more common of the two: it sits at frequency rank #2,954 in our English list, against #19,635 for "lobe". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "lobe" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lock" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #415,466 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lobe" and "lock" also get mixed up with nearby pairs, the highest-scored neighbour is "lobe vs lope". 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 #415,466 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