lackvslaiWhat's the difference?

Which to use

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

#1,274
“lack” frequency rank
#19,883
“lai” frequency rank
21157
confusion score

Side-by-Side Comparison

Feature lack lai
Definition A deficiency or need (of something desirable or necessary); an absence, want, dearth. A mostly North European medieval form of lyrical, narrative poem written in octosyllabic couplets that often deals with tales of adventure and romance, with stanzas that do not repeat.

Where the eye mixes lack and lai

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
lack
3 ch
lai

Spelling & Dictionary Insight

A purely visual mix-up. lack (/læk/) and lai (/laɪ/) 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 21157, derived from the frequency rank of both members and their visual similarity.

lack is recorded at frequency rank #1,274, classified as anoun, pronounced /læk/. lai is at rank #19,883, tagged as anoun, pronounced /laɪ/.

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 21157, this pair ranks #425,967 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lack vs lai

Shared letters: al. Private to "lack": ck. Private to "lai": i.

"lack" · 4 letters · shape CVCC  ·  "lai" · 3 letters · shape CVV

Known mistypes of this pair

  • lackalck · lacck · lackk · lakc · lcak · llack

Frequently Asked Questions

Can "lack" and "lai" be used interchangeably?
No. They are said differently (/læk/ versus /laɪ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lack" or "lai"?
"lack" is the more common of the two: it sits at frequency rank #1,274 in our English list, against #19,883 for "lai". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list