pamplemouusse A. plural (tu rajoutes un "s" à la fin des mots sauf dans certain cas)

flower = flowers
boat = boats
woman = women !! <- faire attention à ce cas (c'est pareil avec "man -> men)
city = cities !! (y--> ies)
family = families !! 
holiday = holidays
umbrella = umbrellas
adress = addresses !! (ss --> finir le mot en "es")
knife = knives !! (fe --> ves)
sandwich = sandwiches 
foot = feet !! (cas particulier)