amplitude (n.)

• abundance
• affluence
• amount
• ampleness
• antinode
• area
• avalanche
• beam
• bigness
• body
• bonanza
• boundlessness
• bountifulness
• breadth
• broadness
• bulk
• caliber
• camber
• capaciousness
• capacity
• commodiousness
• comprehensiveness
• congestion
• copiousness
• coverage
• crest
• depth
• diameter
• diffraction
• diffuseness
• diffusion
• dimension
• distance
• effusion
• effusiveness
• enormity
• enormousness
• expanse
• expansion
• expansiveness
• extension
• extensiveness
• extent
• extravagance
• exuberance
• fecundity
• fertility
• flood
• flow
• fluency
• force
• frequency
• full
• fullness
• gauge
• generosity
• generousness
• gigantism
• girth
• grandeur
• grandness
• greatness
• gush
• height
• immensity
• infinity
• intensity
• interference
• landslide
• largeness
• latitude
• lavishness
• length
• liberality
• liberalness
• light
• logorrhea
• lots
• loudness
• luxuriance
• magnitude
• mass
• matter
• maximum
• measure
• measurement
• might
• mightiness
• much
• muchness
• myriad
• node
• noise
• numbers
• numerousness
• opulence
• outpouring
• overflow
• period
• phone
• plenitude
• plenteousness
• plentifulness
• plenty
• pleonasm
• plethora
• power
• prevalence
• prodigality
• productiveness
• productivity
• profuseness
• profusion
• prolificacy
• proportion
• proportions
• quantity
• quantum
• radius
• range
• rankness
• ray
• reach
• redundancy
• reinforcement
• reiteration
• repetitiveness
• repletion
• resonance
• richness
• riot
• roominess
• satiety
• saturation
• scads
• scale
• scope
• shower
• size
• slip
• sonance
• sound
• space
• spaciousness
• span
• spate
• spread
• stagger
• stream
• strength
• stretch
• substance
• substantiality
• substantialness
• sum
• superabundance
• superfluity
• surfeit
• talkativeness
• tautology
• teemingness
• tirade
• trough
• ultrasound
• vastness
• volume
• wave
• wavelength
• wealth
• whole
• wideness
• width