lacksvslastsWhat's the difference?

Which to use

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

#8,444
“lacks” frequency rank
#8,309
“lasts” frequency rank
16753
confusion score

Side-by-Side Comparison

Feature lacks lasts
Definition plural of lack plural of last

Where the spellings diverge

Shared letters are muted; the letters that actually set lacks and lasts apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
lacks
5 ch
lasts

Spelling & Dictionary Insight

lacks and lasts form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 16753, derived from the frequency rank of both members and their visual similarity.

lacks is recorded at frequency rank #8,444, classified as anoun, pronounced /læks/. lasts is at rank #8,309, tagged as anoun, pronounced /lɑːsts/.

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 16753, this pair ranks #455,781 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

lacks#8,444
lasts#8,309

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "lacks" and "lasts" be used interchangeably?
No, "lacks" and "lasts" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering lacks vs lasts

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “lacks” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list