eclipse vs hover

eclipse is a noun but hover is not a noun.

Word	Noun	Adjective	Verb	Adverb
eclipse	Yes	No	Yes	No
hover	No	No	Yes	No

As verbs, hover is a hypernym of eclipse; that is, hover is a word with a broader meaning than eclipse:

Other hypernyms of eclipse include brood, bulk large, loom.

eclipse (noun)	hover (noun)
one celestial body obscures another

eclipse (verb)	hover (verb)
cause an eclipse of (a celestial body) by intervention	hang in the air; fly or be suspended above
be greater in significance than	be suspended in the air, as if in defiance of gravity
	be undecided about something; waver between conflicting positions or courses of action
	to hang about in a place beyond the proper or usual time
	hang over, as of something threatening, dark, or menacing