Synonyms for Bombardment (same or very similar meaning)
WordNet sense 1 (the rapid and continuous delivery of linguistic communication (spoken or written)):
barrage, onslaught, outpouring
WordNet sense 2 (the heavy fire of artillery to saturate an area rather than hit a specific target):
battery, shelling, barrage fire
WordNet sense 3 (an attack by dropping bombs):
bombing
From the ODE community, based on WordNet
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