Xylophone: fun, colorful, easy for a kid to remember as a cute little instrument
Xenon: An inert gas used in… MRI scans, I think?
X-ray is probably the only other ‘X’ word with more real-world representation than xylophone, and as pointed out above, that’s not quite representative of how the letter is used phonetically in the rest of the language.
Xylophone: fun, colorful, easy for a kid to remember as a cute little instrument
Xenon: An inert gas used in… MRI scans, I think?
X-ray is probably the only other ‘X’ word with more real-world representation than xylophone, and as pointed out above, that’s not quite representative of how the letter is used phonetically in the rest of the language.
Xylem is a major component of almost all the plants you see. I’m not sure how much more real-world representation you can get…