Identify the word which remains the same in its plural form :

Identify the word which remains the same in its plural form : Correct Answer aircraft

Some words are same in singular & plural: advice kennels aircraft knowledge baggage means bison moose cod music crossroads news deer offspring dice public dozen salmon fish scenery furniture series grouse sheep gymnastics species headquarters staff information swine

Related Questions

Identify the word which remains the some in its plural form-
Identify the word that remains same in plural form:
Which word remains same in plural form?