Words ending in r:
add es
———————————-
Words ending in s:
add es
———————————-
Words ending in z:
add es
———————————-
Words ending in l:
replace l with is
———————————-
mulher > mulheres (women)
bar > bares (bars)
rapaz > rapazes (boys)
raíz > raízes (roots)
português > portugueses (Portguese)
país > países (countries)
casal > casais (couples)
legal > legais (cool)