spat vs quarrel

spat and quarrel both are nouns.

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

As nouns, quarrel is a hypernym of spat; that is, quarrel is a word with a broader meaning than spat:

Other hypernyms of spat include dustup, row, run-in, words, wrangle.

As verbs, quarrel is a hypernym of spat; that is, quarrel is a word with a broader meaning than spat:

Other hypernyms of spat include altercate, argufy, dispute, scrap.

spat (noun)	quarrel (noun)
a young oyster or other bivalve	an arrow that is shot from a crossbow; has a head with four edges
a cloth covering (a legging) that covers the instep and ankles	an angry dispute
a quarrel about petty points

spat (verb)	quarrel (verb)
clap one's hands together	have a disagreement over something
spawn
engage in a brief and petty quarrel
clap one's hands or shout after performances to indicate approval
strike with a sound like that of falling rain
become permanently attached
come down like raindrops