#!/usr/bin/perl
use warnings;
use strict;

my $Infile1 = shift;
my $Infile2 = shift;

open (INPUT, "$Infile1") || die "can't open the input file1";
chomp (my @words1 = <INPUT>);
close (INPUT) ;

open (INPUT, "$Infile2") || die "can't open the input file2";
chomp (my @words2 = <INPUT>);
close (INPUT) ;

for my $i (0 .. $#words1) {
if ($words1[$i] =~ /\#n$/){
    for my $j ( 0 .. $#words2) {
         if ($words2[$j] =~ /\#n$/){
             my $value = getRelatedness("$words1[$i]#1", "$words2[$j]#1");
 
  print "similarity of $words1[$i] and $words2[$j] = $value\n";}
}}}

sub getRelatedness { print join(':',@_),"\n"; return 4; }


OUTPUT:
July#n#1:July#n#1
similarity of July#n and July#n = 4
July#n#1:Macdonough#n#1
similarity of July#n and Macdonough#n = 4
Macdonough#n#1:July#n#1
similarity of Macdonough#n and July#n = 4
Macdonough#n#1:Macdonough#n#1
similarity of Macdonough#n and Macdonough#n = 4