How do I know if my word is valid?

[Fiona T]

If you're just checking words while playing along on the telly rather than hosting a co-event game, you might be better to use the web form version at

https://focaltools.azurewebsites.net/Fo ... ecker.aspx

It uses exactly the same API/dictionary as Tom's tool but won't count towards Tom's monthly usage limits on his hosting plan.

[Simon Haigh]

OK - I accept this is the definitive dictionary to use but it's just about the only dictionary that won't accept IMAGOES

Oh well...