block out vs obturate

block out and obturate both are verbs.

Word	Noun	Adjective	Verb	Adverb
block out	No	No	Yes	No
obturate	No	No	Yes	No

As verbs, obturate is a hypernym of block out; that is, obturate is a word with a broader meaning than block out:

Other hypernyms of block out include block, close up, impede, jam, obstruct, occlude.

block out (verb)	obturate (verb)
plan where and when songs should be inserted into a theatrical production, or plan a theatrical production in general	block passage through
indicate roughly
shield from light
prevent from entering