Which to use
“lest” is a conjunction and “LSC” is a name - they look or sound alike but fill different roles in a sentence.
- #14,158
- “lest” frequency rank
- #49,472
- “LSC” frequency rank
- 63630
- confusion score
Side-by-Side Comparison
| Feature | lest | LSC |
|---|---|---|
| Definition | For fear that; that not; in order to prevent something from happening; in case. | Initialism of Local Supercluster. |
Letter map: lest vs LSC
Shared letters muted; letters that set lest and LSC apart highlighted. Shared run: 2.
Grammar separator: lest vs LSC
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: lest is aconjunction and LSCaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 63630, derived from the frequency rank of both members and their visual similarity.
lest is recorded at frequency rank #14,158, classified as aconj, pronounced /lɛst/. LSC is at rank #49,472, tagged as aname.
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 63630, this pair ranks #81,902 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of lest vs LSC
Shared letters: ls. Private to "lest": et. Private to "LSC": c.
"lest" · 4 letters · shape CVCC · "LSC" · 3 letters · shape CCC
Known mistypes of this pair
- lest ← elst · lesst · lestt · llest · lset
Frequently Asked Questions
Is swapping "lest" for "LSC" ever safe?
Which is more common, "lest" or "LSC"?
Useful next steps
Done with this confusable. These links stay specific to "lest" and "LSC".
- Full dictionary entry for "lest" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "LSC" - compare definitions side by side with the headword page. Word entry
- This pair ranks #81,902 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "lest" and "LSC" also get mixed up with nearby pairs, the highest-scored neighbour is "lel vs LSC". 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 #81,902 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.