armament vs militarisation

armament and militarisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
armament	Yes	No	No	No
militarisation	Yes	No	No	No

As nouns, militarisation is a hypernym of armament; that is, militarisation is a word with a broader meaning than armament:

armament: the act of equipping with weapons in preparation for war
militarisation: act of assembling and putting into readiness for war or other emergency:

Other hypernyms of armament include militarization, mobilisation, mobilization.

armament (noun)	militarisation (noun)
the act of equipping with weapons in preparation for war	act of assembling and putting into readiness for war or other emergency:
weaponry used by military or naval force