lahvsleachTell them apart

Which to use

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

#44,894
“lah” frequency rank
#20,983
“leach” frequency rank
65877
confusion score

Side-by-Side Comparison

Feature lah leach
Definition Alternative spelling of la. A quantity of wood ashes, through which water passes, and thus imbibes the alkali.

Where the eye mixes lah and leach

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
lah
5 ch
leach

Why the eye confuses lah with leach

A purely visual mix-up. lah (/lɑː/) and leach (/liːt͡ʃ/) 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 2 letter(s) in length. Our composite confusion score for this pair is 65877, derived from the frequency rank of both members and their visual similarity.

lah is recorded at frequency rank #44,894, classified as anoun, pronounced /lɑː/. leach is at rank #20,983, tagged as anoun, pronounced /liːt͡ʃ/.

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 65877, this pair ranks #70,648 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lah vs leach

Shared letters: ahl. Private to "lah": -. Private to "leach": ce.

"lah" · 3 letters · shape CVC  ·  "leach" · 5 letters · shape CVVCC

Known mistypes of this pair

  • leachelach · laech · leacch · leachh · leahc · lecah · lleach

Frequently Asked Questions

Can "lah" and "leach" be used interchangeably?
No. They are said differently (/lɑː/ versus /liːt͡ʃ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "lah" vs "leach" - which ranks higher?
"leach" is the more common of the two: it sits at frequency rank #20,983 in our English list, against #44,894 for "lah". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "lah" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "leach" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,648 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lah" and "leach" also get mixed up with nearby pairs, the highest-scored neighbour is "lah vs LSC". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #70,648 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