lavvslooWhat's the difference?

Which to use

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

#48,859
“lav” frequency rank
#19,636
“loo” frequency rank
68495
confusion score

Side-by-Side Comparison

Feature lav loo
Definition Clipping of lavatory. A lavatory: a room used for urination and defecation.

Where the eye mixes lav and loo

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

3 ch
lav
3 ch
loo

Spelling & Dictionary Insight

A purely visual mix-up. lav (/læv/) and loo (/luː/) 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 68495, 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/. loo is at rank #19,636, tagged as anoun, pronounced /luː/.

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 68495, this pair ranks #58,633 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lav vs loo

Shared letters: l. Private to "lav": av. Private to "loo": o.

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

Frequently Asked Questions

Can "lav" and "loo" be used interchangeably?
No. They are said differently (/læv/ versus /luː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lav" or "loo"?
"loo" is the more common of the two: it sits at frequency rank #19,636 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.

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

Source: FrequencyWords open word-frequency list