law vs lu, What's the Difference?

Which to use

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

#329
“law” frequency rank: #12,273
“lu” frequency rank: 12602
confusion score

Side-by-Side Comparison

Feature	law	lu
Definition	The body of binding rules and regulations, customs, and standards established in a community by its legislative and judicial authorities.	Archaic form of loo (“card game”).

Where the eye mixes law and lu

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch

law

2 ch

Visual trap between law and lu

A purely visual mix-up. law (/lɔː/) and lu (/luː/) 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 12602, derived from the frequency rank of both members and their visual similarity.

law is recorded at frequency rank #329, classified as anoun, pronounced /lɔː/. lu is at rank #12,273, tagged as anoun, pronounced /luː/.

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 12602, this pair ranks #480,620 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of law vs lu

Shared letters: l. Private to "law": aw. Private to "lu": u.

"law" · 3 letters · shape CVC · "lu" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "law" for "lu" ever safe?

No. They are said differently (/lɔː/ versus /luː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "law" vs "lu" - which ranks higher?

"law" is the more common of the two: it sits at frequency rank #329 in our English list, against #12,273 for "lu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "law" and "lu" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "law" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "lu" - compare definitions side by side with the headword page. Word entry
This pair ranks #480,620 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"law" and "lu" also get mixed up with nearby pairs, the highest-scored neighbour is "LSC vs lu". Nearby pair

Confusion rank #480,620 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.