attacker vs spiller

attacker and spiller both are nouns.

Word	Noun	Adjective	Verb	Adverb
attacker	Yes	No	No	No
spiller	Yes	No	No	No

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

attacker (noun)	spiller (noun)
someone who attacks	a long fishing line with many shorter lines and hooks attached to it (usually suspended between buoys)
	an attacker who sheds or spills blood