different between gunfire vs gunnery

English

From gun +? fire.

gunfire (usually uncountable, plural gunfires)

Shots from a gun or guns, typically creating loud report.
Let's hide in the trees to avoid the gunfire.
Sergeant, direct your gunfire toward that copse of trees.
(chiefly military) The use of gunpowder-type weapons, mainly cannon, as opposed to swords or bayonets.
Killing people became much easier and faster once armies started using gunfire.
(military) The time of firing of the morning gun or the evening gun.
(army slang) Tea, a cup of tea, especially one served early in the morning before first parade.
- 1937, David Jones, In Parenthesis, I:
  They had only in them the rolled mattresses, the neatly piled bed-boards and the empty tea-buckets of the orderly-men, empied of their last gun-fire.

gun +? -ery

gunnery (usually uncountable, plural gunneries)

(uncountable) The science of guns and gunfire including aspects of bullet flight and impact.
(uncountable) The design and manufacture of guns, particularly those of a large caliber.
(uncountable) The firing of guns
- 1920, Wilfred Owen, "Exposure" in Poems, London: Chatto & Windus, p. 18, [1]
  Northward incessantly, the flickering gunnery rumbles, / Far off, like a dull rumour of some other war.
- 1973, Jaroslav Hašek, The Good Soldier Švejk, translated by Cecil Parrott, London: William Heinemann, Chapter 5, p. 438,
  The 12th march company telephoned claiming that someone in the office had heard that they were waiting to do some shooting practice at moveable targets and that they would only leave after gunnery practice under front conditions.
(countable) A place where guns are tested, or where people are trained in their use

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