Similar words
salle-de-bain
Worth distinguishing: toilette is just the toilet/restroom itself; salle de bain is the whole bathroom, which may also include a bathtub or shower.
Similar in other languages
German
Toilette
Toilette is the German word for the same thing — both mean "toilet, restroom."
Practice
1 What does toilette mean?
toilet, restroom
2 Fill the gap: Les ___ se trouvent au fond du couloir.
Full sentence: Les toilettes se trouvent au fond du couloir. (The restroom is at the end of the hallway.)
3 Which fingerprint chart matches toilette?
toilette: neutral register, core frequency, general domain, neutral connotation.