untag vs remove

untag is not a noun while remove is a noun.

Word	Noun	Adjective	Verb	Adverb
untag	No	No	Yes	No
remove	Yes	No	Yes	No

As verbs, remove is a hypernym of untag; that is, remove is a word with a broader meaning than untag:

Other hypernyms of untag include take away.

untag (noun)	remove (noun)
	degree of figurative distance or separation

untag (verb)	remove (verb)
to remove a metadata tag from an internet post	remove something concrete, as by lifting, pushing, or taking off, or remove something abstract
	stay away or leave
	get rid of something abstract
	shift the position or location of, as for business, legal, educational, or military purposes
	dispose of
	remove from a position or an office
	kill intentionally and with premeditation
	cause to leave