#!/usr/bin/perl -w

use strict;

my @data = ( "Some lines of text", "I love my lines of text", "These are nice lines" );
my @stopwords = ( "lines" );
my @lessWords = ();

my (@arr,@a);
foreach my $word (@data)
{
        push  @arr,split(/ /,$word);
}
WORD:
        foreach my $a (@arr)
        {
            foreach my $stop (@stopwords)
            {
              next WORD if $a eq $stop;
            }

push(@lessWords, $a);
}
print join( ' ', @lessWords ), "\n";

__OUTPUT__
Some of text I love my of text These are nice