evidence proof substantiation verification affirmation confirmation corroboration facts authentication validation attestation information documentation truth truthfulness correctness veracity authenticity reliability accuracy verity factuality legitimacy validity shouts yells calls cries screams shoutings bawls bellows clamor clamour howls outcries crying hollers howlings roars wails yellings exclamation screech shrieks shriekings vociferations wailings bark cheer hoots squalls squeals caterwauls squawks whoops yammer yowls silence quietness quietude soundlessness muteness noiselessness voicelessness lots loads heaps stacks abundance slews tonnes tons bunches profusion rafts spates wealth barrels chunks mountains piles lumps numbers clumps collections mounds plenitude sets rumbles rumblings crashings crashes lashing roarings poundings thunder barks bays clamors