desensitise vs stun

desensitise and stun both are verbs.

Word	Noun	Adjective	Verb	Adverb
desensitise	No	No	Yes	No
stun	No	No	Yes	No

As verbs, stun is a hyponym of desensitise; that is, stun is a word with a more specific, narrower meaning than desensitise:

Other hyponyms of desensitise include benumb, blunt, dull, numb, bedaze, daze, besot, stupefy, deaf, deafen.

desensitise (verb)	stun (verb)
make insensitive	make senseless or dizzy by or as if by a blow
cause not to be sensitive	hit something or somebody as if with a sandbag
	overcome as with astonishment or disbelief