s, o, d, e, n, p, c, h, r, t, i, u are letters that make 'speech production'
product, prod, OD, speech, pe, ti, PR, EC, EEC, duct, pee, Ro, EE, on, pro, production, CT, rod, Io, ion, Pr, Ti are words within 'speech production'
1 possible definitions for 'speech production'
Under this definition, speech production is a noun and has the following properties:
speaking has the same meaning as speech production
'speech production' can be a type of utterance, vocalization.
whispering, speech, whisper, susurration, voicelessness are types of 'speech production'.
verbalize, verbalise, speak, mouth, utter, talk are derivatives of 'speech production'.