Words in French that start with X?

You're right! There are very few words in French that start with "X". The most common one is "Xénon" (Xenon).

Here are a few more, mostly proper nouns or scientific terms:

* Xanthine (a substance found in tea and coffee)

* Xylophone (a musical instrument)

* Xavier (a common male name)

* Xénophobie (Xenophobia, fear of foreigners)

* Xylophage (an insect that eats wood)

Let me know if you'd like to explore any of these further!