nemophila vs five-spot

nemophila and five-spot both are nouns.

Word	Noun	Adjective	Verb	Adverb
nemophila	Yes	No	No	No
five-spot	Yes	No	No	No

As nouns, five-spot is a hyponym of nemophila; that is, five-spot is a word with a more specific, narrower meaning than nemophila:

nemophila: any plant of the genus Nemophila
five-spot: California annual having white flowers with a deep purple blotch on each petal

Other hyponyms of nemophila include Nemophila maculata.

nemophila (noun)	five-spot (noun)
any plant of the genus Nemophila	a playing card or a domino or a die whose upward face shows five pips
	California annual having white flowers with a deep purple blotch on each petal
	a United States bill worth 5 dollars