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I want a perl script which finds out the which words occur more than once in the second column of the following input file

AESTHETIC-ATTRIBUTE
AESTHETIC-ATTRIBUTE pretty .7
AESTHETIC-ATTRIBUTE beautiful .8
AESTHETIC-ATTRIBUTE ugly .1
AESTHETIC-ATTRIBUTE unattractive .3
AESTHETIC-ATTRIBUTE gorgeous .9
AESTHETIC-ATTRIBUTE handsome .7
AESTHETIC-ATTRIBUTE striking .9
AESTHETIC-ATTRIBUTE stunning 1
AESTHETIC-ATTRIBUTE nice looking .7

AGE
AGE old .8
AGE young .3
AGE aged .8
AGE brand new .1
AGE new .2
AGE ancient .9

AGGRESSION
AGGRESSION aggressive .8
AGGRESSION forceful .7
AGGRESSION violent .9
AGGRESSION hostile .8
AGGRESSION calm .2
AGGRESSION nonviolent 0
AGGRESSION mild-mannered .2
AGGRESSION fierce .9

so i want to find out if any word say for eg gorgeous occurs more than once in the second column.If yes then the word should be listed.So the output would be

the following words occur more than once in the second column
word 1
word 2
word 3

I needed help for this please
Thanks