lacvslooWhat's the difference?

Which to use

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

#1,775
“lac” frequency rank
#47,432
“loo” frequency rank
49207
confusion score

Side-by-Side Comparison

Feature lac loo
Definition Grande étendue d’eau complètement entourée de terres, généralement d’eau douce. Cabinets, toilettes, waters, petit coin (pièce destinée à faire ses besoins).

Where the eye mixes lac and loo

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
lac
3 ch
loo

Spelling & Dictionary Insight

A purely visual mix-up. lac (\lak\) and loo (\lu\) 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 49207, derived from the frequency rank of both members and their visual similarity.

lac is recorded at frequency rank #1,775, classified as anoun, pronounced \lak\. loo is at rank #47,432, tagged as anoun, pronounced \lu\.

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 49207, this pair ranks #172,555 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lac vs loo

Shared letters: l. Private to "lac": ac. Private to "loo": o.

"lac" · 3 letters · shape CVC  ·  "loo" · 3 letters · shape CVV

Frequently Asked Questions

Can "lac" and "loo" be used interchangeably?
No. They are said differently (\lak\ versus \lu\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lac" or "loo"?
"lac" is the more common of the two: it sits at frequency rank #1,775 in our French list, against #47,432 for "loo". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list