Other hyponyms of intercommunicate include
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,
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.