lobevslouseWhich spelling fits?

Which to use

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

#19,635
“lobe” frequency rank
#47,167
“louse” frequency rank
66802
confusion score

Side-by-Side Comparison

Feature lobe louse
Definition Any projection or division, especially one of a somewhat rounded form. A small parasitic wingless insect of the order Psocodea.

Where the eye mixes lobe and louse

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

4 ch
lobe
5 ch
louse

Why the eye confuses lobe with louse

A purely visual mix-up. lobe (/ləʊb/) and louse (/laʊs/) 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 66802, 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/. louse is at rank #47,167, tagged as anoun, pronounced /laʊs/.

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 66802, this pair ranks #66,303 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lobe vs louse

Shared letters: elo. Private to "lobe": b. Private to "louse": su.

"lobe" · 4 letters · shape CVCV  ·  "louse" · 5 letters · shape CVVCV

Known mistypes of this pair

  • lobelboe · llobe · lobbe · olbe
  • lousellouse · losue · loues · lousse · luose · oluse

Frequently Asked Questions

Is swapping "lobe" for "louse" ever safe?
No. They are said differently (/ləʊb/ versus /laʊs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lobe" or "louse"?
"lobe" is the more common of the two: it sits at frequency rank #19,635 in our English list, against #47,167 for "louse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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 "louse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #66,303 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lobe" and "louse" also get mixed up with nearby pairs, the highest-scored neighbour is "lope vs louse". 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 #66,303 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