Which to use
“lah” is a noun and “lain” is a verb - they look or sound alike but fill different roles in a sentence.
- #44,894
- “lah” frequency rank
- #34,154
- “lain” frequency rank
- 79048
- confusion score
Side-by-Side Comparison
| Feature | lah | lain |
|---|---|---|
| Definition | Alternative spelling of la. | past participle of lie (“to be oriented in a horizontal position, situated”) |
Where the eye mixes lah and lain
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. lah runs 3 letters (CVC) against lain's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses lah with lain
These two trip readers on the page rather than in the ear: lah is /lɑː/ while lain is /leɪn/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 79048, derived from the frequency rank of both members and their visual similarity.
lah is recorded at frequency rank #44,894, classified as anoun, pronounced /lɑː/. lain is at rank #34,154, tagged as averb, pronounced /leɪn/.
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 79048, this pair ranks #23,068 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of lah vs lain
Shared letters: al. Private to "lah": h. Private to "lain": in.
"lah" · 3 letters · shape CVC · "lain" · 4 letters · shape CVVC
Known mistypes of this pair
- lain ← alin · lainn · lani · llain
Frequently Asked Questions
Is swapping "lah" for "lain" ever safe?
Which is more common, "lah" or "lain"?
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 "lah" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lain" - compare definitions side by side with the headword page. Word entry
- This pair ranks #23,068 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "lah" and "lain" also get mixed up with nearby pairs, the highest-scored neighbour is "lah 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 #23,068 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.