in reply to How can you check if a word in a array occur in another array?
This line:
@words = split(/ /, $word);
... replaces the @words array each time around the loop. So when you're finished looping, @words will only contain words from the last line of the file, words from the previous lines having been discarded.
What you want is:
push @words, split(/ /, $word);
I leave @EN = split(/ /, $word) as an exercise for the reader.
Also, I concur with frozenwithjoy in that a hash is more likely to suit your needs than an array.
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