hide vs obstruct

hide is a noun but obstruct is not a noun.

Word	Noun	Adjective	Verb	Adverb
hide	Yes	No	Yes	No
obstruct	No	No	Yes	No

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

hide (noun)	obstruct (noun)
body covering of a living animal
the dressed skin of an animal (especially a large animal)

hide (verb)	obstruct (verb)
make undecipherable or imperceptible by obscuring or concealing	block passage through
cover as if with a shroud	shut out from view or get in the way so as to hide from sight
prevent from being seen or discovered	hinder or prevent the progress or accomplishment of
be or go into hiding; keep out of sight, as for protection and safety