interference vs obstructer

interference and obstructer both are nouns.

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

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

Other hypernyms of interference include impediment, impedimenta, obstruction, obstructor.

interference (noun)	obstructer (noun)
the act of hindering or obstructing or impeding	any structure that makes progress difficult
(American football) blocking a player's path with your body	someone who systematically obstructs some action that others want to take
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