es ), ▁whereas ▁possession ▁is ▁always ▁shown ▁by ▁the ▁cl it ic ▁- ' s ▁( or ▁by ▁just ▁the ▁apost rop he ▁for ▁most ▁pl ural ▁forms ▁ending ▁in ▁s ) ▁attached ▁to ▁the ▁n oun . ▁Consider , ▁for ▁example , ▁the ▁forms ▁of ▁the ▁n oun ▁girl : ▁ ▁Most ▁speak ers ▁pron ounce ▁all ▁of ▁the ▁forms ▁other ▁than ▁the ▁singular ▁plain ▁form ▁( g irl ) ▁exactly ▁the ▁same ▁( though ▁the ▁el ided ▁possess ive - ind ic ating ▁s ▁of ▁the ▁pl ural ▁possess ive ▁may ▁be ▁real ised ▁as ▁[ z ] ▁in ▁some ▁speak ers ' ▁pron unci ations , ▁being ▁separated ▁from ▁the ▁pl ural - ind ic ating ▁s ▁normally ▁by ▁a ▁central ▁v owel ▁such ▁as ▁[ ɨ <0xCC> <0x9E> ]). ▁By ▁contrast , ▁a ▁few ▁n oun s ▁are ▁slightly ▁more ▁complex ▁in ▁their ▁forms . ▁For ▁example : ▁ ▁In ▁that ▁example , ▁all ▁four ▁forms ▁are ▁pron ounced ▁in ▁a ▁distinct ▁manner . ▁ ▁There ▁can ▁be ▁other ▁deriv ations ▁from ▁n oun s ▁that ▁are ▁not ▁usually ▁considered ▁decl ensions . ▁For ▁example , ▁the ▁proper ▁n oun ▁Britain ▁has ▁the ▁associated ▁descript ive ▁ad jective ▁British ▁and ▁the ▁dem onym ▁Brit on . ▁Though ▁these ▁words ▁are ▁clearly ▁related ▁and ▁are ▁generally ▁considered ▁cogn ates , ▁they ▁are ▁not ▁specifically ▁treated ▁as ▁forms ▁of ▁the ▁same ▁word ▁and ▁thus ▁not ▁decl ensions . ▁ ▁Pr on oun s ▁in ▁English ▁have ▁even ▁more ▁complex ▁decl ensions