Nouns

(n)talk, talkingan exchange of ideas via conversation“let's have more work and less talk around here”
(n)talkdiscussion; (‘talk about’ is a less formal alternative for ‘discussion of’)“his poetry contains much talk about love and anger”
(n)talkthe act of giving a talk to an audience“I attended an interesting talk on local history”
(n)lecture, public lecture, talka speech that is open to the public“he attended a lecture on telecommunications”
(n)talk, talk of the townidle gossip or rumor“there has been talk about you lately”

Verbs

(v)talk, speakexchange thoughts; talk with“We often talk business”, “Actions talk louder than words”
(v)talk, speak, utter, mouth, verbalize, verbaliseexpress in speech“She talks a lot of nonsense”, “This depressed patient does not verbalize”
(v)speak, talkuse language“the baby talks already”, “the prisoner won't speak”, “they speak a strange dialect”
(v)spill, talkreveal information“If you don't oblige me, I'll talk!”, “The former employee spilled all the details”
(v)spill the beans, let the cat out of the bag, talk, tattle, blab, peach, babble, sing, babble out, blab outdivulge confidential information or secrets“Be careful — his secretary talks”
(v)lecture, talkdeliver a lecture or talk“She will talk at Rutgers next week”, “Did you ever lecture at Harvard?”