leak vs lei, What's the Difference?

Which to use

“leak” and “lei” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#38,893
“leak” frequency rank: #30,248
“lei” frequency rank: 69141
confusion score

Side-by-Side Comparison

Feature	leak	lei
Definition	Fuite d’informations confidentielles.	Pluriel de leu.

Where the spellings diverge

Shared letters are muted; the letters that actually set leak and lei apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch

leak

3 ch

lei

Spelling & Dictionary Insight

A purely visual mix-up. leak (\lik\) and lei (\lɛj\) 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 69141, derived from the frequency rank of both members and their visual similarity.

leak is recorded at frequency rank #38,893, classified as anoun, pronounced \lik\. lei is at rank #30,248, tagged as anoun, pronounced \lɛj\.

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 69141, this pair ranks #56,304 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of leak vs lei

Shared letters: el. Private to "leak": ak. Private to "lei": i.

"leak" · 4 letters · shape CVVC · "lei" · 3 letters · shape CVV

Known mistypes of this pair

leak ← elak · leakk · leka · lleak

Frequency comparison

leak#38,893

lei#30,248

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "leak" and "lei" be used interchangeably?

No. They are said differently (\lik\ versus \lɛj\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Which is more common, "leak" or "lei"?

"lei" is the more common of the two: it sits at frequency rank #30,248 in our French list, against #38,893 for "leak". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering leak vs lei

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 “leak” entry
Browse more pairs most likely to be confused. Most confusable