lab vs li, What's the Difference?

Which to use

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

#3,506
“lab” frequency rank: #4,685
“li” frequency rank: 8191
confusion score

Side-by-Side Comparison

Feature	lab	li
Definition	A laboratory.	The Chinese mile, a traditional unit of distance equal to 1500 chis or 150 zhangs, now standardized as a half-kilometer (500 meters).

Where the eye mixes lab and li

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

3 ch

lab

2 ch

Visual trap between lab and li

A purely visual mix-up. lab (/læb/) and li (/liː/) 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 8191, derived from the frequency rank of both members and their visual similarity.

lab is recorded at frequency rank #3,506, classified as anoun, pronounced /læb/. li is at rank #4,685, tagged as anoun, pronounced /liː/.

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 8191, this pair ranks #503,730 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lab vs li

Shared letters: l. Private to "lab": ab. Private to "li": i.

"lab" · 3 letters · shape CVC · "li" · 2 letters · shape CV

Frequently Asked Questions

Do "lab" and "li" mean the same thing in a sentence?

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

In ordinary English text, does "lab" or "li" show up more?

"lab" is the more common of the two: it sits at frequency rank #3,506 in our English list, against #4,685 for "li". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

Full dictionary entry for "lab" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "li" - compare definitions side by side with the headword page. Word entry
This pair ranks #503,730 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"lab" and "li" also get mixed up with nearby pairs, the highest-scored neighbour is "li vs LSC". Nearby pair

Confusion rank #503,730 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.