Other hyponyms of intercommunicate include
grimace,
make a face,
pull a face,
gab,
yak,
finger-spell,
fingerspell,
aphorise,
aphorize,
riddle,
project,
contact,
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.