Yes, loo is in the scrabble dictionary

...and is worth 4 points by itself.

find more words you can make below

Loo Definition

noun

A card game in which each player contributes stakes to a pool.
from The American Heritage Dictionary of the English Language, 4th Edition
Chiefly British A toilet.
from The American Heritage Dictionary of the English Language, 4th Edition
An old card game in which the winner of each trick or a majority of tricks takes a portion of the pool while losing players are obligated to contribute to the next pool.
from Free Scrabble Dictionary
Money staked at loo.
from Free Scrabble Dictionary

verb

To obligate to contribute to a new pool at loo for failing to win a trick.
from Free Scrabble Dictionary

Find More Words!

Wildcard(?) letters appear in RED

Here are some other words you could make with the letters LOO, you can also
use this lookup tool to help you find words with our scrabble word finder.

Top Words by points

Points

loo

3

2 letter words with LOO

Points

lo

2

3 letter words with LOO

Points

loo

3

Found 2 words in 0.1361 seconds