Synonyms of cannonball

1 Syllable
word, wire, fyi, note, dope, news
2 Syllables
report, dispatch, earful, get-well, letter, tidings, napalm, gainers, paper, shrapnel, gainer, memo
3 Syllables
missive, bulletin, jackknife, jackknives, notice, epistle, message
4 Syllables
ammunition, communiqué, memorandum, information, intimation, directive, communique, ammunitions
5 Syllables
intelligence