Other hyponyms of intercommunicate include
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.