flyspeck vs particle

flyspeck and particle both are nouns.

Word	Noun	Adjective	Verb	Adverb
flyspeck	Yes	Yes	No	No
particle	Yes	No	No	No

As nouns, particle is a hypernym of flyspeck; that is, particle is a word with a broader meaning than flyspeck:

Other hypernyms of flyspeck include atom, corpuscle, molecule, mote, speck.

flyspeck (noun)	particle (noun)
a tiny dark speck made by the excrement of a fly	a function word that can be used in English to form phrasal verbs
	a body having finite mass and internal structure but negligible dimensions
	(nontechnical usage) a tiny piece of anything

flyspeck (adjective)	particle (adjective)
very small