#!/bin/sh

awk '{ printf "%s	%d\n", $0, int(rand()*1000); }' \
frequencies.sorted | sort -k2rn -k3n >frequencies.$$

IFS='
'
i=1
for line in `cat frequencies.$$`
do
    word=`echo $line | sed   's/	.*//'`
    echo  "$word	$i"
    i=`expr $i + 1`
done

rm frequencies.$$