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,
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.