interference vs blocking

interference and blocking both are nouns.

Word	Noun	Adjective	Verb	Adverb
interference	Yes	No	No	No
blocking	Yes	No	No	No

As nouns, blocking is a hypernym of interference; that is, blocking is a word with a broader meaning than interference:

Other hypernyms of interference include block.

interference (noun)	blocking (noun)
the act of hindering or obstructing or impeding	the act of obstructing or deflecting someone's movements
(American football) blocking a player's path with your body
any obstruction that impedes or is burdensome
a policy of intervening in the affairs of other countries
electrical or acoustic activity that can disturb communication