is a specific kind of: complect, interconnect, interlink.

is a broader term that covers: communicate.

is a specific kind of: interact.

is a broader term that covers: grimace, make a face, pull a face | gab, yak | finger-spell, fingerspell | aphorise, aphorize | riddle | project | contact, get hold of, get through, reach | bring down, impose, inflict, visit | commune | inform | jest, joke | blog | greet | address, turn to | ask, enquire, inquire | nod | sign | mouth, speak, talk, utter, verbalise, verbalize | speak, talk | speak, talk | gesticulate, gesture, motion | telepathise, telepathize | write | radio | network | sign, signal, signalise, signalize | semaphore | whistle | give, throw | give, pay | give, render | carry, convey, express | issue | come across, come over | share | get ... show more.

derivation: communication | communicating, communication | intercommunication | communicator | communicative, communicatory.