offspring vs spat

offspring and spat both are nouns.

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

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

Other hyponyms of offspring include hatchling, orphan, young mammal, young bird, young fish.

offspring (noun)	spat (noun)
any immature animal	a young oyster or other bivalve
something that comes into existence as a result	a cloth covering (a legging) that covers the instep and ankles
the immediate descendants of a person	a quarrel about petty points

offspring (verb)	spat (verb)
	clap one's hands together
	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