Steps to replicate the issue (include links if applicable):

• Go to https://www.wiktionary.org/ (NOT https://en.wiktionary.org/)
• Search "free" in en
• Hit enter or the magnifying glass icon (NOT the suggestion below)

What happens?:
A 503 error

What should have happened instead?:
https://en.wiktionary.org/wiki/free opens

Software version (skip for WMF-hosted wikis like Wikipedia):

Other information (browser name/version, screenshots, etc.):

This was brought up on Discord. "Free" apparently isn't the only word that does this, but the only one that could be identified.