squad vs firing party

squad and firing party both are nouns.

Word	Noun	Adjective	Verb	Adverb
squad	Yes	No	No	No
firing party	Yes	No	No	No

As nouns, firing party is a hyponym of squad; that is, firing party is a word with a more specific, narrower meaning than squad:

squad: a smallest army unit
firing party: a squad formed to fire volleys at a military funeral or to carry out a military execution

Other hyponyms of squad include firing squad.

squad (noun)	firing party (noun)
a cooperative unit (especially in sports)	a squad formed to fire volleys at a military funeral or to carry out a military execution
a smallest army unit
a small squad of policemen trained to deal with a particular kind of crime