Been looking for this. I've seen some things for Wordnet kinda
like this but this is more "it". They have a Windows version
which I'm using. Basically, it does this: Pick two words, and it
tells you have to get from one word to the next, and which words
fit inbetween them. You get multiple answers, multiple paths.
ONE of them is likely to express how you're thinking. I'd love
to to this en masse (I have a lot of keywords to go through) but
I'm happy enough to do it one at a time for now.
[1]
http://www.eat.rl.ac.uk/ ==
References
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http://www.eat.rl.ac.uk/