Difference between Barrage and Onslaught

BARRAGE vs ONSLAUGHT: NOUN

The rapid and continuous delivery of linguistic communication (spoken or written)
The act of barring; specifically, the formation of an artificial obstruction in a watercourse, in order to increase the depth of the water, to facilitate irrigation, and for other purposes.
The artificial bar thus formed; especially, one of those on the river Nile in Egypt.
In playing instruments like the guitar, the application of the finger of the left hand across all or some of the strings near the nut, so as to shorten them uniformly and thus raise their pitch; a temporary nut. (See nut, 3. and capo tasto.) When the finger stops part of the strings the barrage is little; if all, great or grand.
An artificial bar or obstruction placed in a river or watercourse to increase the depth of water.
An artificial obstruction, such as a dam, in a river designed to increase its depth or to divert its flow
A heavy curtain of artillery fire directed in front of one's own troops to screen and protect them (Wikipedia)
A concentrated discharge of projectile weapons
An overwhelming outburst of words, especially of criticism
A "next hit wins" contest to determine the winner of a bout in case of a tie.
The heavy fire of artillery to saturate an area rather than hit a specific target

A sudden and severe onset of trouble
(military) an offensive against an enemy (using weapons)
The rapid and continuous delivery of linguistic communication (spoken or written)
A violent attack.
An overwhelming outpouring.
Attack; onset; aggression; assault; an inroad; an incursion; a bloody attack.
Synonyms Assault, etc. See onset.
An attack; an onset; esp., a furious or murderous attack or assault.
A bloody fray or battle.
A fierce attack.
A large quantity of people or things resembling an attack.

Hail, Multitude, Stream, Artillery, Wave, Avalanche, Torrent, Deluge, Flurry, Barrage fire, Battery, Outpouring, Shelling, Bombardment, Onslaught

Aggression, Campaign, Spate, Attacking, Wave, Avalanche, Carnage, Assault, Flurry, Deluge, Onset, Outpouring, Attack, Onrush, Barrage

Tide, Chorus, Flood, Hail, Multitude, Stream, Artillery, Wave, Avalanche, Torrent, Deluge, Flurry, Battery, Bombardment, Onslaught

Storm, Blizzard, Invasion, Offensive, Aggression, Campaign, Attacking, Wave, Avalanche, Assault, Flurry, Deluge, Onset, Attack, Barrage

Not a barrage designed to pin us down.
They ought to bring the barrage balloons in.
We had to constantly barrage them with calls.
A constant barrage of propaganda is spewed out.
Undead with a murderous barrage of warpstone bullets.
Probably lining up for a concentrated mortar barrage?
Matka BARRAGE Kjus Augugliaro Goundry Tilfah Compartment SMS.
Crockett Club, answered a barrage of media questions.
The barrage is much shorter than an impoundment structure with the same output capacity, but the barrage is a much larger structure.
After weathering the storm, Robinson retaliated with barrage after barrage that had the tired and dazed LaMotta out on his feet.

Michigan Southern bridge survived the onslaught of logs.
New York state it will be an onslaught.
Postal Service time to process an expected onslaught.
SYN: Impulse, attack, aggression, onslaught, onset, assault, shock.
Should we speculate and risk the negative onslaught?.
Mack - conserving his energy for the next onslaught.
We finally have a replacement for Onslaught Girdle!
Onslaught is a channelled ability, unlocked through Raids from either the untradeable Onslaught Ability Codex, or the tradeable Mazcab ability codex.
Meantime the onslaught on Shearer by the right Hardly an onslaught.
Onslaught shirts, and everything Onslaught fans love all in one place.