attach vs spat

attach is not a noun while spat is a noun.

Word	Noun	Adjective	Verb	Adverb
attach	No	No	Yes	No
spat	Yes	No	Yes	No

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

Other hyponyms of attach include agglutinate, implant, fasten, adhere, bind, bond, hold fast, stick, stick to.

attach (noun)	spat (noun)
	a young oyster or other bivalve
	a cloth covering (a legging) that covers the instep and ankles
	a quarrel about petty points

attach (verb)	spat (verb)
become attached	clap one's hands together
cause to be attached	spawn
be attached; be in contact with	engage in a brief and petty quarrel
take temporary possession of as a security, by legal authority	clap one's hands or shout after performances to indicate approval
create social or emotional ties	strike with a sound like that of falling rain
	become permanently attached
	come down like raindrops