mom / mum [mʌm]
mom – n. – an informal address for mother
mum – adj., n. & v. – adj. – silent, mute; n. – 1. an inarticulate sound made with the lips closed, or silence indicating an unwillingness to speak; 2. a type of German malt beer; 3. a chrysanthemum; v. – 1. mumble, whisper, speak indistinctly; 2. keep silent