Base-finding tool
You can use this tool to help with either writing flats or solving them. Simple search and regex (advanced) search can help find words that fit specific patterns, while the other tools are geared toward specific flat types.
In the National Puzzlers’ League (NPL), we have a puzzle type called a flat that is rooted in wordplay. The solution to a flat is called its base. You can use this tool to find bases for writing your own flats, or as an aid in solving flats published in The Enigma. (The search functions are also useful for forms.)
The wordlist being used comprises all wordlists that have been associated with the NPL website; the most recent lists are from the early 2000s.
This is beta version 2025–07-08–01.