How many words should my 2-year-old be able to say? Around their second birthday, many children begin to acquire words at breakneck speed, a phenomenon experts call the naming explosion. Most 2-year-olds can say about 100 words. By the time your toddler is 2 1/2, she’ll probably know close to 300. But not all children… Continue reading Words 2-year-old be able to say?