flyspeck vs corpuscle

flyspeck and corpuscle both are nouns.

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

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

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

flyspeck (noun)	corpuscle (noun)
a tiny dark speck made by the excrement of a fly	either of two types of cells (erythrocytes and leukocytes) and sometimes including platelets
	(nontechnical usage) a tiny piece of anything

flyspeck (adjective)	corpuscle (adjective)
very small