Which to use
“lob” is a verb and “lux” is a noun - they look or sound alike but fill different roles in a sentence.
- #29,722
- “lob” frequency rank
- #18,878
- “lux” frequency rank
- 48600
- confusion score
Side-by-Side Comparison
| Feature | lob | lux |
|---|---|---|
| Definition | To throw or hit a ball into the air in a high arc. | In the International System of Units, the derived unit of illuminance or illumination; one lumen per square metre. Symbol: lx |
Where the eye mixes lob and lux
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses lob with lux
These two trip readers on the page rather than in the ear: lob is /lɒb/ while lux is /lʌks/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 48600, derived from the frequency rank of both members and their visual similarity.
lob is recorded at frequency rank #29,722, classified as averb, pronounced /lɒb/. lux is at rank #18,878, tagged as anoun, pronounced /lʌks/.
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 48600, this pair ranks #191,522 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of lob vs lux
Shared letters: l. Private to "lob": bo. Private to "lux": ux.
"lob" · 3 letters · shape CVC · "lux" · 3 letters · shape CVC
Frequently Asked Questions
Do "lob" and "lux" mean the same thing in a sentence?
Which is more common, "lob" or "lux"?
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 "lob" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lux" - compare definitions side by side with the headword page. Word entry
- This pair ranks #191,522 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "lob" and "lux" also get mixed up with nearby pairs, the highest-scored neighbour is "lob vs LSC". Nearby pair
Confusion rank #191,522 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.