+es:box(es),

　　watch(es),

　　fox(es),

　　match(es),

　　fish(es),

　　bus(es),

　　class(es)

　　dress(es),

　　dish(es),

　　brush(es)

　　+ies:factory(factories),

　　baby(babies),

　　fly(flies),

　　study(studies),

　　penny(pennies),

　　company(companies),

　　party(parties),

　　family(families),

　　country(countries),

　　difficulty(difficulties)

　　+ves:wife(wives),

　　knife(knives),

　　leaf(leaves),

　　wolf(wolves),

　　thief(thieves),

　　life(lives),

　　handkerchief(handkerchieves),

　　half(halves),

　　shelf(shelves),

　　self(selves)

　　o+:photos,

　　pianos,

　　radios,

　　zoos,

　　potatoes,

　　tomatoes,

　　zeros/es,

　　heroes,

　　kilos,

　　bamboos,

　　tobaccos,

　　volcanoes,

　　mangoes