tying vs attachment

tying and attachment both are nouns.

Word	Noun	Adjective	Verb	Adverb
tying	Yes	No	No	No
attachment	Yes	No	No	No

As nouns, attachment is a hypernym of tying; that is, attachment is a word with a broader meaning than tying:

Other hypernyms of tying include fastening.

tying (noun)	attachment (noun)
the act of tying or binding things together	the act of fastening things together
	the act of attaching or affixing something
	faithful support for a cause or political party or religion
	a supplementary part or accessory
	a connection that fastens things together
	a writ authorizing the seizure of property that may be needed for the payment of a judgment in a judicial proceeding
	a feeling of affection for a person or an institution