Match the language sounds or words with the ages at which children begin using the sounds or words. Drag and drop application. 18 to 24 months of age 18 to 24 months of age drop zone empty. 2 to 4 months 2 to 4 months drop zone empty. Birth Birth drop zone empty. 6 months 6 months drop zone empty. 5 months 5 months drop zone empty. 8 to 12 months 8 to 12 months drop zone empty. 13 months 13 months drop zone empty. Gesturing Crying Cooing First words spoken Two-word utterances Babbling Understands first word