Which to use
“lack” is a noun and “lag” is an adjective - they look or sound alike but fill different roles in a sentence.
- #1,274
- “lack” frequency rank
- #11,733
- “lag” frequency rank
- 13007
- confusion score
Side-by-Side Comparison
| Feature | lack | lag |
|---|---|---|
| Definition | A deficiency or need (of something desirable or necessary); an absence, want, dearth. | Late. |
Where the eye mixes lack and lag
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: lack is /læk/ while lag is /læɡ/. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 13007, 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/. lag is at rank #11,733, tagged as anadj, pronounced /læɡ/.
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 13007, this pair ranks #478,253 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of lack vs lag
Shared letters: al. Private to "lack": ck. Private to "lag": g.
"lack" · 4 letters · shape CVCC · "lag" · 3 letters · shape CVC
Known mistypes of this pair
- lack ← alck · lacck · lackk · lakc · lcak · llack