lavvslyeWhat's the difference?

Which to use

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

#48,859
“lav” frequency rank
#40,787
“lye” frequency rank
89646
confusion score

Side-by-Side Comparison

Feature lav lye
Definition Clipping of lavatory. An alkaline liquid made by leaching ashes (usually wood ashes).

Where the eye mixes lav and lye

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. lav (CVC) and lye (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
lav
3 ch
lye

Look-alike desk: lav vs lye

A purely visual mix-up. lav (/læv/) and lye (/laɪ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 89646, derived from the frequency rank of both members and their visual similarity.

lav is recorded at frequency rank #48,859, classified as anoun, pronounced /læv/. lye is at rank #40,787, 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 89646, this pair ranks #4,977 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lav vs lye

Shared letters: l. Private to "lav": av. Private to "lye": ey.

"lav" · 3 letters · shape CVC  ·  "lye" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "lav" for "lye" ever safe?
No. They are said differently (/læv/ versus /laɪ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "lav" vs "lye" - which ranks higher?
"lye" is the more common of the two: it sits at frequency rank #40,787 in our English list, against #48,859 for "lav". 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 "lav" and "lye" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "lav" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lye" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #4,977 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lav" and "lye" also get mixed up with nearby pairs, the highest-scored neighbour is "lav vs LSC". Nearby pair

Confusion rank #4,977 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list